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Ecology Vocab

Ecology The study of how living things interact with one another and their enviorment.
organism A living thing.
population A group of individuals that belong to the same species and live in the same area.
fluctuate To rise and fall.
Food chain Diagram showing one particular example of feeding relationships in an ecosystem.
Food web Diagram showing all feeding relationships in an ecosystem.
predator An animal that hunts and eats other animals.
prey An animal that is hunted for food.
producer An organism that makes its own food through photosynthesis.
consumer An organism that eats other living things for energy.
trophic level Feeding level in a food chain or web.
energy pyramid A diagram that shows the availible energy at each feedinglevel in an ecosystem.
decomposer An organism that breaks down dead organisms and recycles nutrients back into the enviorment.
carrying capacity The largest population an ecosystem can support over timr.
limiting factor An enviormental factor that prevents a population from increasing.
symbiosis A close relationship between species where at least one organism benefits.
mutualism A symbiotic relationship in which both organisms benefit.
commensalism A symbiotic relationship in which one organism benefits and one is unaffected.
parasitism A symbiotic relationship in which one organism benefits and the other one is harmed.
parasite The organism in parasitism that benefits.
host The organism in parasitism that is harmed.
Created by: sgoreja44