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Science vocab
| Term | Definition |
|---|---|
| limiting factors | are things that limit the numbers of animals in an area includes food, water, living space, predators, disease, fire, and humans. |
| commensalism | relationship that benifits one organism, but does not harm or help the other |
| habitat | the place where an organism lives |
| niche | the role an organism plays in an ecosystem |
| parasitism | relationship that benifits one organism while hurting and harming its host |
| predation | feeding one organism on another |
| symbioses | any close relationship between two or more different species |
| algea | main producers in lakes and oceans |
| producer | organism that makes its own food |
| secondary consumer | an organism that consumes plant eating animals |
| decomposer | an organism that breaks down the waste or remains of non living organisms |
| tertiary consumer | an organism that consumes meat eating animals |
| scavenger | animal that eats only dead organism |
| organism | any living thing |
| offspring | new organism produced by a living thing |
| asexual reproduction | reproduction needing only one parent |
| sexual reproduction | reproduction needing two parents |
| reproduction | process by which living things produce new organisms that are alike themselves |
| fission | simplest form of asexual reproduction (ex. paramecium) |
| budding | growth of a new organism from the parent organism (ex. yeast) |
| controlled experiment | two experiments that are exactly alike except for one change in one of them |
| field study | an experiment that is done outdoors in a field setting |
| laboratory study | an experiment that is done indoors in a lab |
| control | part of an experiment in which NO CHANGE is made |
| variable | anything that CAN BE CHANGED in an experiment. the one change that is made! |
| experiment | a test of hypothesis |
| adaptation | any trait of an organism that helps that organism live in its enviornment |
| behavior | the way in which an organism responds to different stimuli |
| stimulus | a change that causes a response |
| response | a reaction to change |
| migration | movement of animals from one place to another |
| hibernation | temporary sleep like state of some animals during winter months |
| instinct | behavior thatan organism is born with- so it is NOT a learned behavior |
| mutalism | is a relationship where two organisms both benifit from the relationship (and neither of the organisms is hurt or harmed by the relationship) |
Created by:
juliana1113
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