4th Grade Science Assessment Review (4a-4d)

1. What would happen to the community if all of the tallest trees were cut down? Use the photograph below to help you answer question.

• Parts of the community would have less shade.

• The consumers in the community that depends on trees will have to find another producer that will meet their needs.

• The consumers in the community that depends on trees will begin depending on other decomposers to fill the void of the smallest trees.

• The consumers in the community would decrease as they would not have anything to eat.

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After the sun, where does a food chain start?

• With animals that eat plants

• With animals that eat other animals

• With animals that eat other planrs

• With plants that make their own food

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Where would a decomposer be in a food chain?

• At the beginning

• between a producer and consumer

• between two consumers

• At the end

All food webs include _________________.

• Insects

• Mushrooms

• Snakes

• Producers

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Which is most likely the missing organism in the food chain?

• Grasshopper

• Grass

• Hawk

• Bird

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A hawk needs to eat many mice and rabbits because

• There are lots of mice and rabbits in the ecosystem

• The hawk gets only part of the energy from animals it eats.

• The hawk is part of a large food web.

• Each animal it eats provides a lot of energy

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Several food chains linked together make up?

• A food pyramid

• An ecosystem

• A food web

• An energy cycle

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What is an example of a consumer getting energy from a consumer?

• A tree making food from sunlight

• A chipmunk eating seeds

• A fish eating insects

• Bacteria getting energy from a dead fish

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Use the food web...To which living thing or things does the mouse's energy pass?

• Snake only

• Rabbit and hawk

• Hawk only

• Hawk and snake

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Which living thing is MOST LIKELY to be the first source of energy in a food chain?

• Deer

• Shrub

• Mushroom

• Butterfly

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