Ecosystems Test Review

Which is an example of a decomposer?

• bird

• grass

• mushroom

• snake

Tags

NGSS.MS-LS2-3

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

• the grass

• the grasshopper

• the mouse

• the owl

Tags

NGSS.MS-LS2-3

Living and nonliving things in an ecosystem interact with each other. Which is an example of this in a schoolyard ecosystem?

• Fish swim in a pond.

• Grass grows in soil.

• Birds find shelter in forest trees.

• Crabs find shelter under the sand.

Tags

NGSS.MS-LS2-2

Which sentence best describes a flood?

• It does not rain for a long time.

• Earth wears down and breaks apart.

• A fire makes space for new plant growth.

• A large amount of water covers normally dry land.

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS3-2

This beaver builds a dam for shelter. Which is a way this affects the beaver's environment?

• The beaver can add nutrients to soil.

• The beaver can make a lake in a river.

• The beaver can make food for other animals.

• The beaver can introduce a disease to plants.

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

NGSS.MS-LS2-1

NGSS.MS-LS2-2

Living and nonliving things are shown in this desert ecosystem. Which is a way the animals and plants in this ecosystem interact with each other?

• A lizard sits on a rock.

• A snake warms itself in the sun.

• An owl finds shelter in a cactus.

• A cactus stores water in its stem.

Tags

NGSS.MS-LS2-1

A farmer grows corn in a field. The farmer feeds the corn to his chickens. What do the chickens get from the corn?

• energy

• illness

• oxygen

• water

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-7

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

• A tree is cut down.

• A fire burns down a forest.

• A piece of trash is thrown into a pond.

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

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

This picture shows a food chain that can be found in a prairie. If the snake population increased, which other populations would most likely increase?

• frog and plant populations

• hawk and cricket populations

• hawk and plant populations

• frog and cricket populations

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

A bear eats berries and nuts, but also eat fish. Which best describes a bear?

• herbivore

• carnivore

• omnivore

• producer