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15 Cards in this Set
- Front
- Back
An organism's energy role is an ecosystem may be that of a ____, ____, or ____.
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producer, consumer, decomposer
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_____ are the source of all the food in an ecosystem.
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producers
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Other organisms cannot make their own food. They depend on producers for food and energy. An organism that gets energy by feeding on other organisms is called a _____.
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consumer
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Consumers are classified by what they eat. Consumers that eat only plants are called ____.
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herbivores
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Consumers that eat only animals are called ____.
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carnivores
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A ___ eats both plants and animals.
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omnivore
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A __ is a carnivore that feeds on the bodies of dead organisms. An organism may play more that one role in an ecosystem.
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scavenger
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Organisms that break down wastes and dead organisms and return the raw materials to the environment are called ____.
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decomposers.
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The flow of energy through an ecosystem can be shown in diagrams called food ___ and food ___.
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food chains and food webs
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A ___ is a series of events in which one organism eats another and optains energy. The first organism in the chain is always called the ____.
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producer
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A ___ consists of the many overlapping food chains in an ecosystem.
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food web
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All the living and nonliving things that interact in a particular area make up an ___.
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ecosystem
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An organism obtains food, water, shelter, and other things it needs to live, gown and reporduce from its ___.
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surroundings
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A ___ is a group of organisms that are physically similar and can reproduce with each other to produce fertile offspring.
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species
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All the members of one species in a particular area are referred to as ___. All different populations that live together in an area make up a ____.
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population and community
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