Organisms and Ecosystems STAAR Review

A partial Food web is shown.

What role to bobcats play in a forest food web?

• Bobcats break down dead plants and animals and return nutrients to the soil

• Bobcats are consumers of marmots and grouses

• Bobcats produce their own energy

• Bobcats are predators of grasses and berries

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

A wetland food chain is shown below.

Which table shows the correct role of each organism?

• 
• 
• 
• 

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

A partial food web is shown.

Which type of organism is missing from this food web?

• Decomposer

• Predator

• Consumer

• Producer

Tags

NGSS.MS-LS2-3

A partial rain forest food web is shown. How many types of organisms in this food web obtain energy directly from producers?

• One

• Two

• Three

• Four

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

A partial forest food web is shown. What role do turkeys play in this food web?

• Decomposer

• Predator

• Consumer

• Producer

Tags

NGSS.MS-LS2-3

A partial hedgerow food web is shown. Which table shows the correct role of organisms in the food web?

• 
• 
• 
• 

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

A partial swamp food web is shown. In this food web, energy is transferred directly between-

• mosquitos and mudskippers

• kingfishers and mangrove crabs

• prawn and mosquito larvae

• kingfishers and mangrove trees

Tags

NGSS.MS-LS2-3

A partial tundra food web is shown. Based on the information in the food web, which of the following food chains shows one way energy flows in this ecosystem?

• Lichen > Arctic hare > muskox

• Arctic wolf > muskox > lichen

• Lichen > Lemming > Arctic hare Arctic fox

• Lichen > Lemming > Ermine > Arctic fox

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

A partial forest food web is shown. Which statement correctly describes the transfer of energy in a food chain in this ecosystem?

• Energy is transferred from berries to bears to elk

• Energy is transferred from grasses to marmots to bobcats

• Energy is transferred from bobcats to grouses to grasses

• Energy is transferred from grasses to elk to grouses

Tags

NGSS.MS-LS2-3

The table lists some of the types of animals that live in an ecosystem and what they eat. Based on the information in the table, which of the following food chains shows one way energy flows in this ecosystem?

• Leaves > caterpillars > raccoons > vultures

• Leaves > slugs > caterpillars

• Owls > raccoons > Berries

• Leaves > slugs > owls

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3