A.B.SPRINGFINAL Word Scramble
|
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Question | Answer |
Human societies at present are participating in ___ practices... | Unsustainable |
Level of ecological study that involves both biotic and abiotic components... | Ecosystem |
Globally, if a population lives only along a lake's shoreline, members of this population exhibit ___ spatial distribution... | Clumped |
If the # of prereproductive and reproductive members of a population exceeds the number of postreproductive members, the population will... | Grow |
___ growth occurs when a population size is increasing... | Exponential |
Deer prefer to feed on a dense thicket of oak saplings rather than more widely spaced young oak trees, this is an example of... | Predation |
The Ozark snarl-lip bat prefers to eat the fruit of the walnut tree as does the flying squirrel, this is an example of... | Competition |
Resource availability is a ___ factor... | Density-dependent |
Weather is a ___ factor... | Density-independent |
Decreased death rate followed by decreased birthrate has occurred in ___ countries... | More developed |
The biological level of organization subject to evolution by natural selection... | Population |
Populations maximum growth rate is also known as its ___... | Biotic potential |
Components of the environment that support its organisms... | Resources |
Technically has the lowest population density... | Greenland |
An ecosystem consists of a ___ of living things as well as the physical environment... | Community |
Ecology began as part of ___... | Natural history |
___ will contribute most to the world population growth... | Less developed countries |
___ is the number of individuals per unit area or volume... | Population density |
Some estimates predict that the human population will exceed 9 billion people w/in ___ years... | 50 |
The total number of individuals that the resources of an area can support... | Carrying capacity |
The more developed countries tend to be in ___ and North America... | Europe |
The study of ___ encompasses the organism, population, community, ecosystem and biosphere... | Ecology |
A central goal of ecology is to develop ___ and explain and predict distribution and abundance of populations... | Models |
Applies ecological principles to practical human concerns... | Environmental science |
Studies all aspects of biodiversity with the goal of conserving natural resources... | Conservation biology |
High standard of living, contributes least to population growth... | More developed countries |
Decreased death rate followed by decreased birthrate... | Demographic transition |
The number of individuals born roughly matches the number of individuals dying... | Replacement reproduction |
A five year old child represents the... | Prereproductive age |
An elderly woman represents the.. | Postreproductive age |
A thirty year old woman/man represents the... | Reproductive age |
Clumped, random or uniform... | Population Distribution |
S-shaped growth curve... | Logistic growth |
Portion of the globe where a species can be found... | Range |
J-shaped growth curve... | Exponential growth |
Exhibit exponential growth; small in size; mature early and have a short life span; limited parental care... | Opportunistic species |
Exhibit logistic growth; large in size; slow to mature and have a long life span; good parental care... | Equilibrium species |
Consists of all the various populations at a particular locale... | Community |
A group of individuals of the same species in a given location at the same time... | Population |
Occurred in the 1800's and brought on a population increase due to increased production of food and jobs... | Industrial revolution |
The length of time it's assumed to take for the human population to double... | Thirty-five years |
Measured in terms of population size and resource consumption per capita... | Environmental impact |
Characteristics of a population.... | Demographics |
___ represent the varying ages of the individuals in a population... | Age structure diagram |
How age at death influences population size... | Survivorship |
Country with the highest population density... | Monaco |
Plotting the number of survivors per 1,000 births against age produces a(n)... | Survivorship curve |
Can occur when members of the same species attempt to use resources that are limited in supply but necessary to survival... | Competition |
Occurs when one organism eats another... | Predation |
Total disappearance of a species or higher group... | Extinction |
Have modified reptilian scales... | Birds |
Hypothesized to be ancestral to animals (very beginning...) | Choanoflagellates |
Extraembryonic membranes of the amniote egg have been modified for internal development within the uterus... | Placental mammals |
Insects have wings and three pairs of legs attached to the... | Thorax |
Sharks are examples of... | Cartilaginous fishes |
Mammals are ___, capable of balancing their internal temperatures... | Endothermic |
Bipedal but had a small brain... | Australopithecus afarensis |
Cnidarians are considered to be organized at the ___ level... | Tissue |
Being arranged around a central point... | Radial symmetry |
Having mirror-image, right and left halves... | Bilateral symmetry |
The type of mollusc that has tentacles... | Cephalopod |
Insects typically have ___ pairs of legs... | 3 |
Arachnids typically have ___ pairs of legs... | 4 |
In chordates, located just below the nerve cord toward the back... | Notochord |
Have a chitin exoskeleton... | Arthropods |
Move by pumping water... | Echinoderms |
Animals are members of the domain... | Eukarya |
Must acquire nutrients from external sources... | Heterotrophic |
Most animals begin life as a(n) ___ | Fertilized egg |
Some animals undergo a change in body form, from larval stage to adult... | Metamorphosis |
Give rise to all other tissue layers and organs in the body... | Germ layers |
The inner-most germ layer... | Endoderm |
The outer-most germ layer... | Ectoderm |
Localization of the brain and specialized sensory organs at the anterior end of the organism... | Cephalization |
Repitition of body plan along the length of the body... | Segmentation |
In, ___ the blastopore becomes the mouth... | Protostomes |
In, ___ the blastopore becomes the anal opening... | Deuterostomes |
Asexual reproduction by fragmentation... | Budding |
Bilaterally symmetrical acoelomates... | Flatworms |
Coelomate organisms with a complete digestive tract; includes octopus... | Molluscs |
Jointed appendages, exoskeleton, segmentation, well-developed nervous system, etc... | Arthropods |
Nonsegmented with a fluid-filled pseudocoelom... | Roundworms |
Possess both male and female sex organs... | Hermophrodites |
Radially symmetrical and capture prey with ring of tentacles that bear stinging cells... | Cnidarians |
Sac-like bodies perforated by many pores... | Sponges |
Segmented worms... | Annelids |
Shedding of the exoskeleton with growth... | Molting |
Study of insects... | Entomology |
Widely recognized as biodiversity hotspots... | Coral reefs |
Mammals become wide-spread because they could ___ to most environments on earth.. | Adapt |
Modern humans evolved in one location and then spread to other areas through migration... | Out-Of-Africa Hypothesis |
Modern humans began to spread outward and, through convergent evolution, adapted in similar ways to similar conditions... | Multiregional Hypothesis |
Unlike bony fishes, amphibians have ... | Ears |
The Spiny anteater and the Duckbill platypus are examples of ... | Monotremes |
The Koala and the Tasmanian wolf are examples of.. | Marsupials |
The first human-like feature to evolve in hominins was... | Bipedalism |
Encompasses human behavior and products, is dependent on the capacity to speak and transmit knowledge... | Culture |
First characteristic to develop that lead to the animal line... | Multicellularity |
Turtles, crocodiles, lizards... | Reptiles |
Body temperature matches the temperature of the external environment... | Ectothermic |
Most numerous and diverse of all the vertebrates... | Bony fishes |
Living both on land and in the water... | Amphibians |
Lack features associated with vertebrates, yet all the invertebrates they are most closely related to chordates... | Echinoderms |
Hard, crusty exoskeletons... | Crustaceans |
Spiders, scorpions, ticks... | Arachnids |
Secrete a nonliving exoskeleton that must be shed in order for the organism to grow... | Ecdysozoans |
"Stomach-footed"... | Gastropods |
"Head-footed"... | Cephalopods |
Clams, oysters, scallops... | Bivalves |
Tubule, found in annelids, that collects waste material and excretes it through an opening in the body wall... | Nephridium |
Space between the two folds of the mollusc mantle... | Mantle cavity |
Rasping, tongue-like organ of molluscs used to obtain food... | Radula |
Soft-bodied portion of the mollusc that contains internal organs... | Visceral mass |
Organism, like the sponge. that 'strains' food from the water by means of a device, usually pores of some type.... | Filter-feeder |
Body cavity... | Coelom |
Grow by adding additional mass to their existing body... | Lophotrochozoans |
States animals are descended from an ancestor that resembled a hollow, spherical colony of flagellated cells... hypothesis | Colonial Flagellate |
Include monkeys, apes, and humans... | Anthropoids |
Includes only the apes, chimps and humans as well as the closest extinct relatives... | Hominid |
Famous female skeleton dated at 3.18 MYA, small brain, and according to proportions of limbs the she stood upright and walked on two legs... | Lucy |
Massive brow ridges, nose/jaw/teeth protruded far forward, forehead was low ad sloping, and lacked a chip... | Neandertals |
Oldest fossils to be designated H. sapiens... | Cro-Magnons |
Animal virus which contains RNA and goes through a DNA synthesis stage... | Retrovirus |
Assembly of viral components within a host cell... | Maturation |
Immediate viral reproduction cycle... | Lytic cycle |
Incorporation of viral DNA into host DNA... | Integration |
Infectious proteinaceous particle... | Prion |
Latent viral reproduction cycle... | Lysogenic cycle |
Naked strand of RNA; infectious... | Viroid |
Noncellular, nonliving particles about 1/5 size of a bacterium... | Virus |
Viral components are synthesized... | Biosynthesis |
Viral DNA in its latent stage... | Prophage |
Virus that infects and reproduces in a bacterium... | Bacteriophage |
Outer unit of a virus composed of protein subunits... | Capsid |
There are two types of ___; bacteria and archaea... | Prokaryotes |
Show, in 1850, disproved the theory of spontaneous generation by show that sterilized broth cannot become cloudy with bacterial growth unless exposed to air where bacteria was abundant... | Louis Pasteur |
Cell-like structures complete with an outer membrane and may have resulted from the self-assembly of macromolecules and eventually gave rise to cellular life... | Protocells |
Area of a bacterial cell that it's chromosome is found... | Nucleoid |
Small, circular chromosome found in a bacterial cell... | Plasmid |
Bacterial cell walls are strengthened by a complex of polysaccharides linked by amino acids called... | Peptidoglycan |
Occurs when a bacterium picks up free pieces of DNA from their surroundings that have been secreted by live prokaryotes or released by dead ones... | Transformation |
Some bacteria are ___, forming a harmful relationship with one or more partners in which the bacterium benefits but the other organism suffers... | Parasitic |
Biological cleanup of an environment that contais harmful chemicals called pollutants... | Bioremediation |
Biological macromolecules produced by living cells... | Biotic synthesis |
Capable of surviving in very extreme environments... | Archaea |
How the first macromolecules on earth must have formed... | Abiotic synthesis |
Likely the first cells on earth... | Prokaryotes |
Most diverse and prevalent organisms on earth... | Bacteria |
Rod shaped bacteria... | Bacillus |
Spherical bacteria... | Coccus |
Spiral shaped bacteria... | Spirilla |
DNA passed between cells across a pilus... | Conjugation |
Bacterial DNA is carried from one cell to another by a bacteriophage... | Transduction |
Cells with a membrane-bound nucleus and organelles... | Eukaryotes |
Extremophiles that thrive in anaerobic environments... | Methanogens |
Extremophiles that thrive in high salinity environments... | Halophiles |
Extremophiles that thrive in hot and acidic environments... | Thermoacidophiles |
Cause disease by causing normal proteins to change shape and malfunction... | Prions |
Enzyme unique to retroviruses... | Reverse transcriptase |
Primary producers near deep-sea vents... | Chemoautotrophs |
Unicellular, golden-brown algae with a silica shell... | Diatoms |
Slime molds and water molds are ___, breaking down already dead material and releasing those nutrients into the environment... | Decomposers |
Represent the oldest lineage of oxygenic organisms... | Cyanobacteria |
Study of viruses... | Virology |
A virus requires this in order to reproduce... | Host cell |
Virus that reproduces within a bacterium... | Bacteriophage |
Plant viruses often enter through damaged tissue and then move about the plant using the ___... | Plasmodesmata |
Causes cold sores and chickenpox in humans and is a good example of a latent virus... | Herpes virus |
Causative agent of a disease that only recently has infected large numbers of people... | Emerging virus |
More stable form of nucleic acid... | Deoxyribonucleic acid |
Gel-like coating outside a cell wall that is common in bacterial cells living in diverse environments... | Capsule |
May be present between two bacterial cells allowing the transfer of DNA from one to the other... | Conjugation pilus |
Bacteria that send enzymes into the environment and decompose almost any large organic molecule to smaller ones that are absorbable... | Saprotrophs |
Cell targeted by a virus... | Host cell |
Chemosynthesizers... | Chemoautotrophs |
Heavy, protective coating surrounding a portion of dehydrated bacterial cytoplasm and a copy of the chromosome... | Endospore |
Microbes that can cause disease... | Pathogens |
Supported by the double membranes around mitochondria and chloroplasts... | Endosymbiont theory |
Uicellular diatoms, algae, dinoflagellates, ciliates, etc | Protists |
Chemical compound that composes the cell membrane of archaea... | Polysaccharides |
Emerging viruses may have acquired new virulence factors or ___ factors may have encouraged their spread to an increased number of hosts in a relatively short period of time... | Environmental |
Aim to prevent viral infections... | Vaccines |
Used to treat bacterial infections... | Antibiotics |
Side-effect of using antibiotics too frequently... | Antibiotic resistance |
Darwin referred to the process of promoting certain traits by breeding members with those traits as... | Artificial selection |
A morphological adaptation in which one species resembles another is called... | Mimicry |
Population decline causes an extreme genetic drift called a(n)... | Bottleneck |
Recently evolved traits that do not appear in ancestral fossils are called... | Derived traits |
What are two main components of natural selection? | Variation and inheritance |
What has occurred when fertilization produces a hybrid offspring that cannot develop or reproduce? | Postzygotic isolation |
What occurs when average traits benefit a population rather than extreme traits? | Stabilizing selection |
Charles Darwin served as naturalist on the ... | HMS Beagle |
While in the ... Darwin noticed slight differences in the animals from one island to the next | Galapagos Islands |
Show that the species present on Earth have changed over time | Fossils |
Thought to be the ancestor of birds | Dinosaur |
Are newly evolved features such as feathers | Derived traits |
Though to be the ancestor of armadillos | Glyptodont |
Modified structure seen among different groups of descendants | Homologous structures |
Eyes in a blind fish are examples of... | Vestigial structures |
DNA and RNA comparisons | Comparative biochemistry |
Bird wings and butterfly wings | Analogous structures |
Body structure that is no longer used for its original function | Vestigial structures |
Study of the distribution of plants and animals on earth | Biogeography |
Traits that enable individuals to survive or reproduce better than individuals without... | Adaptations |
Change in allelic frequencies in a population that is due to change | Genetic drift |
Removes individuals with average trait values, creating two populations with extreme ones | Disruptive selection |
Most common form of selection | Stabilizing selection |
When a small sample of the main population settles in a location separated from main population | Founder effect |
Species evolves into a new species without any barriers that separate the populations | Sympatric speciation |
Shift populations toward a beneficial but extreme trait value | Directional selection |
Population is divided by a barrier, each population evolves separately and eventually two populations cannot successfully interbreed | Allopatric speciation |
Change in size or frequency of a trait based on competition for mates | Sexual selection |
One species will sometimes diversity in a relatively short time into a number of different species | Adaptive radiation |
Idea that evolution occurred in small steps over millions of years | Gradualism |
Leafy sea dragon looks more like a plant than an animal, this is an example of... | Camouflage |
Change of species over time | Evolution |
Industrial melanism is a special case of... | A structural adaptation |
Process of directed breeding | Artificial selection |
Organisms most adapted to their environment survive, those which are not best adapted will die | Natural selection |
Early, pre-birth stage of an organisms development | Embryo |
Occurs when two or more species evolve adaptations to resemble one another | Mimicry |
Studying the structure of organisms during early stages of development | Comparative embryology |
States that when allelic frequencies remain constant, a population is in genetic equilibrium | Hardy-Weinberg Principle |
Primitive features, such as teeth and tails, which appear in ancestral forms | Ancestral traits |
Process that splits a population into two groups | Disruptive selection |
Tough, polysaccharide found in the cell walls of fungi... | Chitin |
Reproductive structure of fungi... | Fruiting body |
Specialized hyphae found in parasitic fungi... | Haustoria |
Filaments composing the body o the fungus... | Hyphae |
Netlike mass of branching hyphae... | Mycelium |
Cross-walls between hyphae... | Septa |
Sac or case in which spores are produced... | Sporangia |
Reproductive haploid cell within a hard outer coat... | Spore |
Fungi do not contain pigments/chloroplasts so they are not autotrophic but rather... | Heterotrophic |
Can be used for both asexual or sexual reproduction in fungi... | Spores |
Process by which the offspring grows off the parent (parent cell) until it is large enough to function on its own... | Budding |
If the mycelium of a fungus is severed and the pieces are placed in an area in which conditions are favorable, each individual piece may grow and develop into a mature organism... | Fragmentation |
An organism that feeds on and breaks down dead organisms, recycling nutrients back into food webs... | Decomposer |
Some of the ___ and oldest organisms on earth belong to kingdom fungi... | Largest |
The cells walls, ___ and septa distinguish fungus from plants... | Hyphae |
Unicellular fungus found throughout the world and important in the commercial production of certain foods and beverages... | Yeasts |
An organism that feeds off a host cell/organism... | Parasite |
Organisms that live/function together and both benefit from the relationship... | Mutualism |
Hyphae that spread across the surface of food... | Stolons |
Hyphae that penetrate food and absorb nutrients... | Rhizoids |
Reproductive structure of molds that contain haploid nucleus... | Gametangium |
In sac fungi, hyphae that produce spores on their tips for asexual reproduction... | Conidophores |
In sac fungi, a reproductive structure where a zygote forms during asexual reproduction... | Ascocarp |
In sac fungi, a saclike structure where spores develop during sexual reproduction... | Ascus |
Spores produced by the ascus in sac fungi... | Ascospores |
Fruiting body of a club fungi... | Basidiocarp |
Club-shaped hyphae that produce spores in club fungi... | Basidia |
Spores produced in basidia during sexual reproduction of club fungi... | Basidiospores |
Recent ___ suggests chytrids are related more closely to fungi than to protists... | Molecular evidence |
A(n) ___ studies various aspects about fungus... | Mycologist |
___ are known as the imperfect fungi.. | Deuteromycota |
Type of fungi which transform organic substances from waste matter and dead organisms into raw materials... | Saprophytes |
Type of fungi which absorb nutrients from living hosts by means of haustoria... | Parasites |
Type of fungi which live in a symbiotic relationship with other living organisms... | Mutualistic |
Protect spores and keep them from drying out until they are released... | Sporangia |
Includes bread molds and other molds... | Zygomycota |
Appears to lack a sexual stage in life cycle... | Deuteromycota |
Produces flagellated spores... | Chytridiomycota |
Most common fungi phylum, includes yeasts... | Ascomycota |
Includes mushrooms... | Basidiomycota |
In sexual reproduction, parts of two haploid ___ fuse to form a diploid structure... | Mating strains |
Most members of the phylum Ascomycota are ___ | Multicellular |
Rapid growth of basidiocarps is due to... | Cell enlargement |
Saprophytic basidiocarps produce enzymes that ... | Decompose wood |
Produces airy bread and alcohol in beer and wine... | Fermentation |
Use of fungi and bacteria to remove pollution... | Bioremediation |
Living organism that is sensitive to environmental pollutants... | Bioindicator |
Producing a large number of spores increases a species' changes of... | Survival |
Some fungi are the source of ___ drugs used for organ transplants... | Immune suppressant |
Help plants gather inorganic nutrients... | Mycorrhizal fungi |
A fruit is derived from... | Ovary |
Plant __ can be used in either sexual or asexual reproduction... | Spores |
Plant tissue that transports water and minerals... | Xylem |
Ferns, gymnosperms and angiosperms all have... | Megaphylls |
DNA and RNA comparisons shows that fungus are most closely related to... | Animals |
Have true roots, stems and leaves... | Vascular plants |
Represented by the mosses... | Bryophytes |
Tissue specialized to conduct organic nutrients from the leaves to the rest of the plant... | Phloem |
Probably evolved from a multicellular, freshwater green algae about 500 mya.. | Terrestrial plants |
Conifers bear ___ which contain reproductive structures of the plant... | Cones |
Flowering plants... | Angiosperms |
Sepals of the flower are arranged into a collective structure called the... | Calyx |
The sporophyte generation of nonvascular plants produces spores in a structure called a(n)... | Sporangium |
Specialized reproductive structure found in angiosperms... | Flower |
A seed is a mature... | Embryo |
Drought-resistant male gametophyte... | Pollen grains |
Female reproductive structures within a flower... | Carpel |
Fossilized plants used as a fuel that helps run our industrialized society... | Coal |
Male reproductive structures within a flower... | Stamen |
Organic compound that makes xylem cell walls stronger... | Lignin |
A population is dramatically decreased and then rebounds, but is now homozygous for nearly every gene studies... | Bottleneck effect |
Alters allele frequency only... | Natural selection |
Is reproductively isolated from other species... | Biological species |
Many new species evolving in various environments from a common ancestor... | Convergent evolution |
Transitional links are least likely to be found if evolution proceeds according to the ___ model... | Punctuated equilibrium |
Typically, mutations are immediately expressed and tested by the environment... | Prokaryotes |
Allopatric, but not sympatric, speciation requires... | Geographic isolation |
Alone, cannot bring about change in genotype and allele frequency... | Sexual reproduction |
Process that results in adaptation of a population to the biotic and abiotic environments... | Natural selection |
When two or more extreme phenotypes are favored over any intermediate phenotype... | Disruptive selection |
Occurs when an extreme phenotype is favored and the distribution curve shifts in that direction... | Directional selection |
All members of a single species occupying a particular are at the same time and reproducing with one another... | Population |
Increase in the frequency of dark peppered moths compared to light peppered moths, due to pollution of the British forests they inhabited... | Industrial melanism |
Occurs when an intermediate phenotype is favored... | Stabilizing selection |
According to the ___ model, new species evolve slowly from an ancestral species... | Gradual |
Changes in the allele frequencies of a gene pool due to chance... | Genetic drift |
Favors characteristics that increase the likelihood of obtaining mates... | Sexual selection |
All members of a single species occupying the same place at the same time... | Population |
Different populations within the same species... | Subspecies |
Individuals ted to mate with those that have the same phenotype with respect to a certain trait... | Assortative mating |
Movement of alleles among populations by migration of breeding individuals... | Gene flow |
Movement of continents that has contributed to several extinctions... | Continental drift |
Permanent genetic changes... | Mutations |
Rare alleles, or combination of alleles, occur at a higher frequency in a population isolated from the general population... | Founder effect |
Various alleles at the same gene loci in all individuals... | Gene pool |
Prevents a majority of genotypes from participating in the production of the next generation... | Bottleneck effect |
As nations and populations grow, ___demands increase. | Energy |
Associated with heat, light, electricity, motion, sound, nuclei, and nature of a chemical and can be transferred in many ways. | Energy |
Ability to do work... | Energy |
Energy used for lighting, cooking and cooling/heating... | Residential use |
Energy used for electricity, heating and cooling in places like stores and schools... | Public use |
Energy powers machines... | Industrial use |
Energy powers cars, airplanse, trains, ships, etc | Transportation use |
Gasoline and natural gas... | Petroleum products |
Energy from resources that are continually produced... | Renewable |
Energy from resources that are used up faster than they can be produced naturally... | Nonrenewable |
Organic substances found underground in deposits formed from remains of organisms that lived millions of years ago | Fossil fuels |
Energy from the sun... | Solar energy |
Energy drawn from heat within the earth... | Geothermal energy |
Commonly used unit of energy... | BTU |
Energy that exists within the nucleus of an atom... | Nuclear energy |
Muscular tissue that is both striated and involuntary... | Cardiac muscle |
In a ____ control system, there is a fluctuation about a mean... | Negative feedback |
Type of epithelial cells found in the epidermis... | Squamous |
The layer below the epidermis... | Dermis |
When a human being is cold, blood vessels ___ and sweat glands are inactive... | Constrict |
Balance of internal systems relative to the external environment... | Homeostasis |
Cells working together towards a common function... | Tissues |
Type of muscle that helps to maintain posture... | Skeletal muscle |
Only fluid tissue in the body... | Blood |
Forms external coverings and internal linings of many organs and covers the entire surface of the body... | Epithelium |
Refers to a cavity... | Lumen |
Involved in binding organs together and providing support and protection... | Connective tissue |
Noncellular material that varies from solid to semifluid to fluid and usually contains fibers... | Matrix |
Not under conscious control... | Involuntary |
Coordinates functions of the body and allows an animal to respond to external and internal environments... | Nervous system |
Surrounds cells within a tissue... | Interstitial fluid |
The ___ of cells, tissues and organs they compose directly impacts their function. | Structure |
Component of blood that helps fight infection... | White blood cells |
Contains actin and myosin filaments... | Muscle tissue |
Transports nutrients and oxygen to tissue fluid for the cells and removes waste molecules... | Circulatory system/blood |
Skin and it's accessory structures.... | Integumentary system |
Secretes hormones... | Endocrine system |
Rids blood of wastes and helps regulate fluid/chemical level/content... | Urinary system |
Intake and breakdown of nutrients.. | Digestive system |
Brings oxygen into the body and removes CO2... | Respiratory system |
Absorbs fat from digestive system and collects excess tissue fluid which is returned to blood in the CV system... | Lymphatic system |
Contains different tissues that each perform a function to aid in the overall action... | Organ |
In exchange for a warm environment and plenty of food, our intestinal E. coli produce __ and assist in the breakdown of fiber into glucose. | Vitamin K |
An orchid looks and smells like the female of a certain wasp species, so when a male tires to copulate with flower after flower, in the process he transfers pollen. This is an example of... | Coevolution |
Starts where the soil has not yet formed following an environmental disruption... | Primary succession |
The abundance of both species is expected to increase as a result of which type of species interaction? | Mutualism |
In a grazing food web, carnivores that eat herbivores are considered... | Secondary consumers |
Elements necessary for all living things... | Essential elements |
The first trophic level in a food web is occupied by the... | Producers |
A listing of the various species found in a community... | Species richness |
Evolves in response to competition among species for a single niche... | Character displacement |
Species which stabilizes the community and helps to maintain it's characteristics, essentially holding together the web of interactions... | Keystone species |
Consists of communities of species interacting with each other and with the physical environment... | Ecosystem |
Assemblage of populations of multiple species, interacting with one another within a single environment... | Community |
Hummingbird-pollinated flowers are usually ___ , a color these birds can see. | Red |
Come chemoautotrophs, near hydrothermal vents, split ___ to obtain the energy needed to link carbon atoms together to form glucose. | Hydrogen sulfide |
Evolutionary change in one species results in an evolutionary change in another... | Coevolution |
Carbon, phosphorous and nitrogen cycle are all... | Biogeochemical cycles |
First species to appear in an area undergoing either type of ecological succession... | Pioneer species |
Depicts the loss of nutrients and energy from one trophic level to the next... | Ecological pyramid |
Evidence that competition and resource partitioning have taken place... | Character displacement |
Often introduced into a community and greatly disrupt normal interactions... | Exotic species |
Particular are of the community a species lives... | Habitat |
Diagrams that show a single path of energy flow in an ecosystem... | Food chain |
Increase in global temperature due to greenhouse gases accumulating in the atmosphere keeping radiation within... | Global warming |
Typically occurs because humans allow overgrazing of livestock... | Desertification |
Most of the freshwater in the world is used for... | Irrigation |
The first ___ resulted from the development of high-responding wheat and rice varieties... | Green revolution |
The preferred fossil fuel in the US is __ because it produces less pollution than the other(s). | Oil |
Most freshwater is held in... | Glaciers |
Trees with the ability to provide numerous products and perform a variety of functions in addition to serving as windbreaks... | Multipurpose trees |
___ of excess water from the over-irrigation of farmland causes salinization, accumulation of mineral salts, subsidence, loss of topsoil, etc. | Evaporation |
Wild species, such as ladybugs, play a role in ___ of agricultural pests... | Biological control |
Both direct and indirect value to humans... | Biodiversity |
Protecting biodiversity and natural resources for the good of all living things is the focus of... | Conservation biology |
Allow solar radiation to pass through the atmosphere but hinder the escape of infrared heat back into space... | Greenhouse gases |
Any alteration of the environment in an undesirable way... | Pollution |
Process of the soil settling as it dries out... | Subsidence |
At least ___ % of the world population lives within 100km of a coastline... | Forty |
Drawbacks to building ___ include; reservoirs lose water due to evaporation and seepage, salt left behind from evaporation and runoff can make water unusable farther downstream, etc. | Dams |
The human impact on the environment is ___ to the size of the population... | Proportional |
Crops such as wheat, corn and rice are derived from wild plants that have been modified to be high producers (example of ___) | Agricultural value |
Delivers water directly to a plant's root systems... | Drip irrigation |
Fresh water circulation, removal of CO2 from the air, uptake of excess soil nitrogen, etc. (example of ____) | Biogeochemical cycles |
Variety of life on earth | Biodiversity |
Most prescription drugs in the US were originally derived from organisms... (example of ___) | Medicinal value |
Created by:
SavannahElkins
Popular Biology sets