Energy Flow

The initial source of energy for all ecosystems is...

• The Sun

• Photosynthesis

• Sugar

• There is no one source

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

The diagram represents a pyramid of energy in an ecosystem.  Which level would most likely contain members of the plant kingdom?

• A

• B

• C

• D

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

As you work your way up the energy pyramid, what happens to the energy?

• It increases

• It decreases

• It stays the same

• Nothing

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

In the food web above, what eats the rabbit?

• Fox

• Hawk

• Vole

• Grass

Tags

NGSS.MS-LS2-2

In the food web above, what organism is missing from this food chain:

Grass --> Slug --> ________ --> Hawk

• Vole

• Frog

• Insect

• Thrush

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

In the energy pyramid, what is the bottom level composed of?

• Producers

• First-Level Consumers

• Second-Level Consumers

• Third-Level Consumers

Tags

NGSS.MS-LS2-3

How much energy is available to be passed on to the next level in a food web?

• 100%

• 10%

• 50%

• 75%

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

In this food chain, what will happen if the frogs become extinct?

• The snakes will increase.

• The grasshoppers will decrease.

• The eagles will remain the same.

• The grasshoppers will increase.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

In this energy pyramid, the grasshopper would be classified as a:

• producer

• decomposer

• secondary consumer

• primary consumer

Tags

NGSS.MS-LS2-3

Which of the following would be the most likely effect, if there were a sudden increase in the cricket population?

• There would be a decrease in the small bird population.

• There would be a decrease in the grass/flowers population.

• There would be a decrease in the mice population.

• There would be an increase in the grass/flowers population.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4