16 terms

Ecology

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Terms in this set (...)

Biosphere
part of Earth in which life exists including land, water, and air or atmosphere
Carnivore
An animal that eats other animals
Herbivore
An organism that eats only plants
Decomposer
An organism that breaks down wastes and dead organisms
habitat
Place where an organism lives
Niche
An organism's particular role in an ecosystem, or how it makes its living.
Omnivore
An animal that eats both plants and animals
Producer
An organism that can make its own food.
Consumer
An organism that obtains energy by feeding on other organisms
Biotic
living things
Abiotic
Non-living things
food chain
A series of events in which one organism eats another and obtains energy.
food web
A community of organisms where there are several interrelated food chains
trophic level
step in a food chain or food web
Energy Pyamid
A diagram that shows the amount of energy that moves from one feeding level to another in a food web
Biomass
the total mass of organisms in a given area or volume.