Ecology Review

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What is ecology?

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Ecology is the branch of biology that studies the interactions between organisms and their environment.

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What are the ecological levels of organization from smallest to largest?

Back

The ecological levels of organization are: organism, population, community, ecosystem, biome, biosphere.

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What is a producer in an ecosystem?

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Producers are organisms that can make their own food through photosynthesis or chemosynthesis, such as plants and algae.

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What is a consumer in an ecosystem?

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Consumers are organisms that cannot produce their own food and must eat other organisms for energy.

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What is an omnivore?

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An omnivore is an organism that eats both plants and animals.

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What is a carnivore?

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A carnivore is an organism that primarily eats other animals.

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What is a herbivore?

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A herbivore is an organism that primarily eats plants.

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What is the energy pyramid?

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The energy pyramid is a graphical representation of the energy flow in an ecosystem, showing the energy available at each trophic level.

Front

What is primary succession?

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Primary succession is the process of ecological change that occurs in an area where no soil exists, such as after a volcanic eruption.

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What is secondary succession?

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Secondary succession is the process of ecological change that occurs in an area where soil exists but has been disturbed, such as after a forest fire.