Bell Check 14: Matter and Energy in Ecosystems

In this food chain energy flows from the raccoon to the:

• No energy is transferred

• Grass

• Owl

• Rat

Tags

NGSS.MS-LS2-3

In the ecosystem decribed by this food chain what would be a possible outcome of a sharp decline in the the number of grasshoppers?

• A large increase in the owl population

• A decline in the population of both frogs and birds

• An increase in competition between the mouse and the rabbit

• Population increase among the snakes.

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-2

NGSS.MS-LS2-4

NGSS.MS-LS2-1

Which organism is most likely to be affected first if the population of frogs decreases significantly?

• Grass

• Raccoons

• Snakes

• Owls

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

In a food chain, which of the following is a primary consumer?

• Grass

• Rabbit

• Snake

• Owl

______ are used to show a linear path of energy flow through an ecosystem.

• Food Webs

• Abiotic Factors

• 
• Food Chains

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6