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Decker Bio B
CECA
| Question | Answer |
|---|---|
| What is the term for a feature that allows an organism to survive bettter in its environmet? | Adaptation |
| All the individuals of a species that live in a particular area are called? | population |
| The remnant of an organ that had a function in an early ancestor is known as a(n) | Vestigial structure |
| Which scientist developed a calssification system for organisms? | Carolus Linnaeus |
| What is the process in which humans breed organisms for certain traits? | Artifical Selection |
| Individuals that are well adapted to their environment will survive and produce | more offspring |
| the combined alleles of all the individuals in a population is called the | gene pool |
| what are two main sources of geneitc variation | mutations and recombinations |
| what type of selection occurs when individuals in a population with the intermediate phenotype are selected for | stabilizing selection |
| When a few individuals start a new colony it most likely results in | genetic drift through the founder effect |
| in the actual allele frequencies in a population do not match genotype fequencies predicted by the Hardy-Weinberg equation, the population is | evolving` |
| Reproductive isolation occurs when | members of different populations can no longer mate successfully |
| what type of isolation occurs when the timing of reproduction is different between two populations | temporal |
| Coevolution is a process in which species | evolve in response to changes in each other |
| two species that are closely related become increasingly different through | divergent evolution |
| which of the following characteristics must a good index fossil have | very common, easy to indentify, existed for a brief time, widespresad |
| the smallest unit of geologic time is a(n) | epoch |
| what do scientists estimate as the age of the Earth | 4.6 billion years old |
| the Miller-Urey experiment demonstrated that | energy from lightning might have helped create Earths first organic molecules |
| Sceintists hypothesize that cyanobacteria changed the early Earth by | adding oxygen to the atmosphere |
| The evolution of sexual reproduction is resulted in | increased genetic variation |
| the first land organisms emerged during the | Paleozoic era |
| the age of reptiles in a term often used to describe the | Mesozoic era |
| which unit of geologic time followed the mass extinction of dinosuars | Cenozoic era |
| What group of animals includes modern animals | primates |
| the follsil records identifies the hominid with the largest brain as | Homo neanderthalensis |
| Fossil evidence suggests Homo Sapiens first appeared | 200,000 years ago |
| a group of organisms of the same species that live in the same area is called a(n) | population |
| Ogranisms that deed on dead or decaying matter are called | detritivores |
| which process is part of the hydrologic cycle | evaporation |
| almost all autotrophs get their energy from | sunlight |
| an organism that has an unusually large effect on an ecosystem is called a(n) | Keystone species |
| which of these is an example of parasitism | a leech feeds on a hosts body |
| nesting birds often space themselves evenly from other nests. This pattern is called | uniform dispersion |
| which of the following will increase the size of population | immigration and births |
| pinoeer species are the first | organisms to live in perviously uninhabited areas |
| the layer of air surrounding Earth is known as the | Atmosphere |
| a regions climate, unlike its weather, is based on | a long-term pattern |
| the uppermost layer of branches in rain forest trees is called the | canopy |
| communities on a mountain differ depending on the | elevation |
| where is the tropical zone | surrounding the equator |
| Trees that drop their leaves during the cold season are known as | deciduous tress |
| tiny free-floating animals that live in water are called | zooplankton |
| What are renewable resources | resources that can replenish themselves over time |
| in what biome is biodiveristy the highest | tropical rain forests |
| organisms are named and cdalssified based on physical characteristics in | linnaean taxonomy |
| which of the following is the most abundant group of organisms on Earth | bacteria |
| which of the following lists linnaean taza in the correct order from general to specific | phylum, order, family, genus |
| in the linaean system of classification, which of the following is most commonly defined as a group of organisms that can breed and produce offspring | species |
| how many domains are there in the most current tree of life | three |
| how many kingdoms are there in the most current tree of life | six |
| the name Canis lupis is an example of | binomial nomenclature |
| This type of evidence is considered the most accurate in classifying organisms. | molecular |
| genetic material of a virus consists of | RNA or DNA |
| Prions are infectious particles composed of | protein |
| a viral capsid is composed of | proteins |
| In a lysogenic infection, once the DNA of the virus is incorporated into the bacterial DNA, the DNA is called | prophage |
| Antibiotics are used to fight | bacterial infections |
| Prokaryotes reproduce by | binary fission |
| The term protozoa is generally used to describe | animal-like protists |
| fungal cell walls are made of | chitin |
| yeast that makes bread rise is | sac-fungus |
| the process in which yeast reproduce by forming a daughter cell that is genetically identical buy smaller in size is called | fission |
| why are most plants and some algae green | they contain chlorophyll |
| pollination occurs when pollen meets | female reproductive parts of the same plant species |
| Seed plants whose seeds are not enclosed in fruit are | gymnosperms |
| fleshy fruits often play a role in seed dispersal when they are | eaten and discarded by animals |
| how many seed leaves do dicots have | 2 |
| trees and most other woody plants are | perennials |
| the study of plants is | botany |
| the function of the vascular tissue is to | transport water and nutrients |
| in the pressure-flow model, sugar is pumped into the phloem, water flows into the phloem through | osmosis |
| roots absorb water partly through tiny extensions of dermal cells called | root hairs |
| the blade of a leaf is connected to the stem by a thin stalk called a | petiole |
| the upper surfaces of leaves are used mainly for | light gathering |
| seedless plants disperse to new areas using | spores |
| colorful fragrant flowers are most likely pollinated by | animals |
| a coconut fruit can function in dispersing coconut seeds by | floating in the water |
| during dormancy, what plant stage is protected from extreme conditions by the seed coat? | the embryo |
| plant growers create new plants from parts of a parent plant using the process of | vegetative propagation |
| a root growing downward and a shoot growing upward are both examples of | gravitropism |
| Heterotrophs must eat other organisms because they | cannot make their own food |
| Which animal is a vertebrae | lizard |
| during the process of incomplete metamorphosis, a young insect looks like a | miniature adult |
| the entire surface of an arthopod's body is covered by a protective | exoskeleton |
| how many distinct body sections do crustaceans have | 2 |
| an organism that carries a disease from one host to another is known as a | vector |
| an animal that has eight legs, fanglike pincers and ability to produce silk is an | arachnid |
| what material makes the exoskeleton of most arthropods very hard? | chitin |
| insects, bats, and birds are the only living groups of animals that have evolved | true flight |
| Gills are large sheets of thin tissue that | take in dissolved oxygen |
| what is the term for the fan-shaped array of bones in fish such as a goldfish and tuna? | ray-fin |
| which animals ere the first to develop four limbs? | amphibians |
| the first recognizable vertebrates were | fish |
| sharks have a skeleton made of | cartilage |
| which of the following is a membranous organ that develops in females mammals during pregnancy? | placenta |
| amniote animals, whose embryos develop in a fluid-filled sac, include | reptiles, birds, and mammals |
| compared to an ectotherm, an endotherm must | eat more food |
| all mammals share the characteristic of | having hair on their bodies |
| which reptilian traits or structures have monotremes retained? | cloaca and egg-laying |
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paigeperkes
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