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Biology exam

What do organisms have that allow them to thrive and survive in their environment? adaptations
When bones in vertebrate fossils and present day fossils are similar, they must have a common ancestor
Give an example of artificial selection. selecting traits from flowers to produce a specific flower trait in offspring
survival of the fittest is the same as.... natural selection
Sudden change in the sequence of DNA mutation
Can a mutation be helpful? yes, when it increases the chances fr survival or reproduction in the organism
Describe adaptation inherited characteristic that increases chances for survival
which two levels of classification are used in the scientific naming of an organism? genius and species
What do all organisms have in common? have genetic information
based on their names, you know that the trees Quercus fusiformis and Quercus alba do NOT belong to the same ______________ species
What is the purpose of the taxonomic system? to organize living organisms in a manful way based on similar characteristics
What are 4 kingdoms in the domain Eukarya Protista, Plantae, Fungi, Animalia
What level of taxonomy is most diverse? Domain
What is structure of a virus? DNA or RNA captured by a virus
How can a virus be prevented or treated only with vaccines
If a virus is hiding in your body for over a year before you show symptoms, what virus reproductive cycle best describes your diagnosis? lysogenic
What do virus have in common with living organisms? have genetic information
What is the greatest threat virus pose to the cells they invade? take over and highjack the cell
What is a prokaryote? unicellular bacteria with NO nucleus
can you treat a bacterial infection with antibiotics yes
where is the genetic information found in a prokaryote? floating in cytoplasm
harmful disease causing agent pathogen
breaks download organic matter decomposer
makes own food autotroph
consumes food heterotroph
nucleus present eukaryote
no nucleus present prokaryote
what organelle do autotrophs have that heterotrophs DO NOT chloroplast
a protist is defined by what characteristics? unicellular, eukaryote
what is the purpose of the flagellum? propel organism/whip like tail
How do fungi benefit the environment? recycle nutrients
what is the relationship when a rabbit eats a carrot? predation
relationship when a bee pollinates a flower while collecting nectar mutualism
relationship when a bird nest in a tree, neither hurting nor harming the tree commensalism
relationship when a lion hunts and kills zebra predation
relationship when a cattle egret cleans and eats parasites from a cow mutualism
relationship of a clown fish lives in a sea anemone and protects it from predators mutualism
label parts of chain duckweed~~~~small fish~~~big fish~~~eagle producer~~~primary consumer~~~secondary consumer~~~tertiary cons
every food chain and food web begins with a producer
When 10% of the available energy is passed from one trophic level to the next, the other 90% is lost as _____ heat
what do the arrows represent in a food chain or food web energy flow
what role would some fungi and bacteria fill in a food web? decomposers
Draw a food pyramid. Where would producers, herbivores, and carnivores be placed carnivores herbivores producers
what level of ecological organization would a herd of antelope represent? population
what are the 2 vascular tissues found in the vein of a plant? xylem and plant
what is the vascular tissue that moves water throughout plants xylem
what would be the most efficient means of dispersal for seed? wind
what plant evolved last? Angiosperms
What structure keeps a leaf fro drying out? cuticle
What is phototropism plants response to light
what group of plants would a rose bush belong to? angiosperm
list levels of organization in animals starting with the cell cell-tissue-organ-organ system-organism
what is homeostasis stable internal environment
what organ in the respiratory system is know as the wind pipe? trachea
what organ system includes the hair and skin integumentary
what 2 systems work with the nervous system to help an organism move around it environment muscular and skeletal
which body system serves to transport materials throughout the bosy circulatory
blood glucose level, body temperature, and heart rate are all examples of what? homeostasis/feedback
what is the main function of the small intestines absorb nutrients
what are some substances the circulatory system moves through the body hormones, glucose, O2, CO2, H2O
in which structure in the digestive system is water absorbed in to the bloodstream? large intestine
What body system its CO2, a toxic gas out of the body? respiratory
what system controls all the other organ systems in the body? nervous
What organ in the digestive system helps move food from mouth to stomach esophagus
what cell in the immune system are attacked by HIV white blood cells
how does the human body respond when it gets too hot? sweats
what organ besides the kidneys are part of the excretory system skin and lungs
describe pathway food takes through the digestive system starting at the mouth mouth-esophagus-stomach-small intestines-large intestines-rectum
wha muscle helps a mammal breath, separates the thoracic and abdominal cavities and causes hiccups diaphragm
what is the function of the integumentary organs protect internal organs
what is the function of the endocrine system produce hormones
what are the chemical compounds produced in glands called hormones
Created by: jubev
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