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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) |