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What do several different populations living together make?

• Biosphere

• An organism

• A community

• An ecosystem

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Rocks, temperature, and water are part of what?

• Biotic

• Abiotic

• Population

• Living

Grass that gains energy from the sun is an example of a

• consumer

• parasite

• decomposer

• producer

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A diagram with arrows showing energy flow from grass, to a rabbit, to a fox is

• an energy pyramid

• a food web

• a food chain

• a population chart

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In a food web, arrows point in just one direction because they show:

• which animal is bigger

• which animals are related

• how energy goes to the animal that is eating

• how energy goes to the animal that is eaten

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After one species disappears, the other species in the ecosystem

• benefit

• are thrown out of balance

• die

• are unaffected

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Limiting factors determine an area's carrying capacity because

• the # of animals is limited

• ecosystems are small

• animals need resources to survive

• the # of animals is unlimited

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Two members of the same species fight over who get a certain food. Members of different species try to take over a certain nesting area. These are examples of

• community

• competition

• mutualism

• commensalism

Tags

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An animal that eats many foods, including fish and berries

• mutualism

• omnivore

• prey

• herbivore

Symbiosis in which one organism hurts another to benefit itself-

• MUTUALISM

• PARASITISM

• OMNIVORE

• ENERGY PYRAMID