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Ecology Vocabulary
| Question | Answer |
|---|---|
| environment | everything that surrounds an organism and acts upon it |
| ecology | study of the relationship between living things and their environment |
| producer | organism that makes its own food |
| population | group of the same kind of organism living in a certain place or community |
| community | all the populations that live in a certain place and can interact with one another |
| ecosystem | group of communities interacting with each other and the nonliving parts of their environment |
| consumer | organism that obtains food by eating other organisms |
| herbivore | consumer that eats only plants |
| carnivore | consumer that eats only animals |
| omnivore | consumer that eats both plants and animals |
| scavenger | animal that eats only dead organisms |
| decomposer | organism that breaks down the wastes or remains of other organisms |
| interact | process of organisms acting upon one another or on the nonliving parts of their environment |
| habitat | place where an organism lives |
| niche | role or job of an organism in its habitat |
| limiting factor | condition in the environment that puts limits on the size a population can grow to |
| producer | organism that makes its own food |
| primary consumer | an organism that eats producers |
| secondary consumer | an organism that eats primary consumers |
| tertiary consumer | eat secondary consumers |
| food chain | way of showing how the energy from food moves through populations of organisms in a community |
| food web | way of showing how food chains are related |
| energy pyramid | way of showing how energy moves through a food chain |
| competition | struggle of organisms for resources in an ecosystem |
| predation | relationship in which one organism kills and eats another organism |
| prey | organism that is killed and eaten by another organism |
| symbiosis | relationship between different species living in close association with one another |
| mutualism | relationship between two different kinds of organisms that benefit both of them |
| commensalisms | relationship between two different kinds of organisms in which one benefits and the other is unaffected |
| parasitism | relationship between two different kinds of organisms in which one lives on or in another organism and causes it harm |
| host | organism a parasite feeds on |
| adaptation | trait that helps an organism survive in its environment |
| water cycle | repeated movement of water between earth's surface and its atmosphere |
| evaporation | changing of a liquid to a gas |
| transpiration | process by which plants lose water through the stomata in their leaves |
| condensation | changing of a gas to a liquid |
| carbon cycle | repeated movement of carbon between earth's surface and organisms |
| fossil fuel | nonrenewable energy source formed from remains of plants and animals that lived and died long ago |
| nitrogen cycle | repeated movement of nitrogen compounds between the atmosphere, the soil, and living organisms |
Created by:
jutobr
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