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Ecology I (7th Grade
Ecology I
Question | Answer |
---|---|
Ecology | the study of the interactions of living organisms |
biotic | things that are living |
abiotic | things that are nonliving |
5 levels of environmental organization | organism, population, community, ecostyem, biosphere |
organism | an animal,plant or single-celled life form |
population | group or organisms of the same speices |
community | speices that live in the same habitat |
ecosystem | community of organisms and their aboitic |
biosphere | part of earth where life is |
producer | they are in the food chain |
consumer | they are in the food chain |
herbivore | only eats plants |
carnivore | only eats animals |
omnivore | eats both animals and plants |
scavenger | eats dead plants an animals |
decomposer | organism that gets energy from breaking down dead plants |
food web | series of organism |
energy pyramid | amount of energy in each tropic level |
limiting factor | tends to limit population |
predator | exist by preying on each other |
prey | animal that is hunted |