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Unit 6 Ecology

FMS 7th Science Ecology Unit

TermDefinition
Biodiversity The number of different species in an area. The greater the variety of organisms the more successful an ecosystem can be.
Ecosystem All the living (biotic) and nonliving (abiotic) things that interact in an area.
Community All the different organisms that live together in an area; only biotic factors.
Niche An organism's particular role in an ecosystem. The organisms relationship to other organisms that allow it to survive.
Energy Pyramid A diagram that shows the amount of energy that moves from one feeding level to another in an ecosystem.
Consumer/Heterotroph An organism that obtains energy by feeding on other organisms.
Producer/Autotroph An organism that can make its own food.
Migration The regular, periodic journey of an animal from one place to another and back again for the purpose of feeding or reproducing.
Hibernation A state of greatly reduced body activity that occurs during the winter.
Decomposer An organism at breaks down large molecules from dead organisms into small molecules and returns important materials to the environment.
Created by: johnsona
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