LS.5.2.2

Which is an example of a decomposer?

• earthworm

• jellyfish

• pine tree

• rattlesnake

Tags

NGSS.MS-LS2-3

How do decomposers recycle materials in nature?

• Decomposers create new material to be recycled.

• Decomposers break down the tissues of dead organisms.

• Decomposers are dead organisms to be eaten by producers.

• Decomposers produce bacteria and fungi as part of the recycling process.

Tags

NGSS.MS-LS2-3

A rabbit’s diet consists mostly of grass. Which best describes a rabbit?

• decomposer

• carnivore

• herbivore

• omnivore

Which best describes how earthworms benefit plants?

• Earthworms are decomposers and return nutrients to the soil by breaking down dead animals.

• Earthworms are decomposers and help decrease the number of consumers.

• Earthworms are consumers and help decrease the number of producers.

• Earthworms are producers and return oxygen to the air.

Tags

NGSS.MS-LS2-3

A forest ecosystem has squirrels, lichen, ferns, cardinals, and acorns. Which pair of organisms are consumers?

• ferns and cardinals

• squirrels and lichen

• cardinals and acorns

• squirrels and cardinals

Tags

NGSS.MS-LS2-2

If all the producers are taken out of a pond, what would be the first result?

• The fish would die.

• The algae would die.

• The pond snail would die.

• The water would become polluted.

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which describes the roles of the organisms listed below in order, from left to right?

owl, fungus, flower

• consumer, producer, producer

• consumer, decomposer, producer

• producer, consumer, decomposer

• producer, decomposer, consumer

Tags

NGSS.MS-LS2-2

Which best helps dead plants and animals decompose?

• moisture, oxygen, bacteria, and fungi

• low levels of oxygen and carbon dioxide

• large numbers of organisms living in nearby soil

• decreased temperature, wind, and carbon dioxide

Tags

NGSS.MS-LS2-3

Which is the most important effect of decomposers recycling dead plants and animals?

• The process prevents bad odors.

• The process adds nutrients to soil.

• The process removes objects from Earth.

• The process produces food for consumers.

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-1

Which could be a secondary consumer?

• bear

• oak tree

• slug

• squirrel

Tags

NGSS.MS-LS2-3