Food Chains and Webs

Almost all of the energy on earth comes from

• the sun

• lakes and rivers

• decomposers

• the soil

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When two or more food chains connect it is called a

• food chain

• circle of life

• food web

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What makes up an ecosystem?

• all the living and non-living things in an area

• plants and animals

• sand, rocks, and soil

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What happens to energy as it passes through a food chain?

• it goes back into the sun

• it evaporates

• it decreases

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Plants make their own energy through a process called

• breathing

• photosynthesis

• carbon dioxide

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What is the first level of a food chain called?

• primary producers

• scavengers

• consumers

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Some plants do not get all the nutrients they need from soil, so they consume insects.

• True

• False

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A predator is

• the animal that is hunted

• is an animal that hunts and kills other animals for food

• an animal that feeds on dead animal and plant material

Scavengers are an important part of a food web because they keep the food in a dead animal's body from being wasted.

• True

• False

Tags

NGSS.MS-LS2-3

Grizzly bears eat roots, berries, fish, insects, birds, other animals, and even dead animals. This wide variety of meals makes the bear a

• carnivore

• herbivore

• omnivore