Ecosystems STAAR

Which is an example of a biotic factor in a desert?

• Minerals

• The sun

• A snake

• Soil

_______ are consumers that eat only meat.

• Herbivore

• Carnivore

• Omnivore

• Producers

What is the gas we breathe out that plants use for photosynthesis?

• Oxygen

• Hot Dry Air

• Carbon dioxide

• Hydrogen

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which is an example of a producer?

• A spider

• A catepillar

• A tree

Tags

NGSS.MS-LS1-6

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

• Decomposer

• Predator

• Consumer

• Producer

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-LS2-3

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-LS2-3

A partial forest food web is shown. Which organism in this food web eat only consumers?

• Squirrels, turkeys, and caterpillars only

• Squirrels, turkeys, caterpillars, and skunks only

• Hawks, bobcats, and owls only

• Bobcats only

A partial food web of organisms who live in and around the Amazon River is shown. Which change would most likely occur if all the producers in this ecosystem were removed?

• The populations of consumers would increase

• The producers would move to a new location

• The populations of consumers would decrease

• Pacus would become producers

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4