Ecology Vocab
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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Ecology | The study of how living things interact with one another and their enviorment.
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organism | A living thing.
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population | A group of individuals that belong to the same species and live in the same area.
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fluctuate | To rise and fall.
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Food chain | Diagram showing one particular example of feeding relationships in an ecosystem.
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Food web | Diagram showing all feeding relationships in an ecosystem.
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predator | An animal that hunts and eats other animals.
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prey | An animal that is hunted for food.
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producer | An organism that makes its own food through photosynthesis.
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consumer | An organism that eats other living things for energy.
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trophic level | Feeding level in a food chain or web.
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energy pyramid | A diagram that shows the availible energy at each feedinglevel in an ecosystem.
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decomposer | An organism that breaks down dead organisms and recycles nutrients back into the enviorment.
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carrying capacity | The largest population an ecosystem can support over timr.
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limiting factor | An enviormental factor that prevents a population from increasing.
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symbiosis | A close relationship between species where at least one organism benefits.
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mutualism | A symbiotic relationship in which both organisms benefit.
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commensalism | A symbiotic relationship in which one organism benefits and one is unaffected.
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parasitism | A symbiotic relationship in which one organism benefits and the other one is harmed.
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parasite | The organism in parasitism that benefits.
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host | The organism in parasitism that is harmed.
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