Unit 7 Science Review

Which is an example of a decomposer?

• a dog

• a frog

• a mushroom

• a flower

Which word describes all the deer living in the same area?

• habitat

• ecosystem

• community

• population

This picture shows a food chain that could be found in a prairie. Which animal in this food chain is a herbivore?

• the mouse

• the owl

• the grasshopper

• the grass

Tags

NGSS.MS-LS2-2

Which change will most likely have the greatest effect on an ecosystem?

• A fire burns down a forest.

• A tree is cut down.

• A piece of trash is thrown into a pond.

• There is no rain for a week in a desert.

Tags

NGSS.MS-LS2-1

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A food chain, like this one, shows how energy moves between living things. Which living thing best completes the partial food chain above?

• the sun

• grass

• a predator

• a bird

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

An ecosystem with drought conditions have

• lots of sun, and are dry and hot

• lots of sun and are very wet

• a lot of water and are hot

Tags

NGSS.MS-LS2-1

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The energy flows in this food chain

• from the hawk to the finch

• from the grass to the snake

• from the snake to the hawk

Tags

NGSS.MS-LS2-3

A bird eats seeds, spiders, and crickets. What would likely happen if the bird disappeared from its ecosystem.

• there would be no more seeds

• there would be a decrease in spiders

• there would be an increase in crickets

Tags

NGSS.MS-LS2-1

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What are the things that you get from your parents called?

• Traits

• Eyes

• Pollen

• Mammals

Tags

NGSS.MS-LS3-2

Why do animal babies look like their parents?

• because their parents say so

• because they want to

• because they are babies

• because they get traits from their parents

Tags

NGSS.HS-LS3-1

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