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Biology exam
| Question | Answer |
|---|---|
| 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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