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