Study Jams Ecosystems

Where do benthos live?

• in the open ocean lower region

• in freshwater

• in the tidal region

• in the open ocean upper region

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

What is succession?

• the continuation of an ecosystem in its present state

• the balance between humans and nature in an ecosystem

• the way to stop pollution in an ecosystem.

• the gradual growth of new organisms in an ecosystem.

Which of the following is a natural disaster that could wipe out an ecosystem?

• a sunny day

• a rain storm

• a forest fire

• an oil spill

Tags

NGSS.MS-ESS3-2

NGSS.MS-LS2-4

Why would algae grow in a lake?

• because the lake is polluted

• because the lake is a newly created ecosystem

• because there are a lot of fish in the lake

• because a natural disaster destroyed the lake

Tags

NGSS.MS-LS1-5

NGSS.MS-LS1-6

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

What is it called when changes occur in an ecosystem that already exists?

• primary succession

• secondary succession

• conservation

• pollution

In what ways can humans change an ecosystem?

• by making a region flood

• by creating hurricanes

• by adding to the amount of pollution in an ecosystem

• by enjoying nature

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-1

NGSS.MS-LS2-4

What needs to be balanced in order for an ecosystem to thrive?

• algae and hurricanes

• pollution and conservation

• primary succession and secondary succession

• humans and nature

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Which of the following shows the proper order of a food chain?

• producers--> carnivores--> decomposers--> herbivores

• herbivores--> decomposers--> producers--> carnivores

• producers--> herbivores--> carnivores--> decomposers

• producers--> carnivores--> herbivores--> decomposers

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-2

NGSS.MS-LS2-3

What is the difference between a second-level consumer and a third-level consumer?

• Third-level consumers eat other carnivores, and second-level consumers do not.

• Second-level consumers only eat plants, and third-level consumers eat plants and animals.

• Second-level consumers eat meat, while third-level consumers eat plants.

• Third-level consumers produce their own food, and second-level consumers must find their food in nature.

Tags

NGSS.MS-LS2-3

Which part of the food chain only eats meat?

• an herbivore

• a producer

• a carnivore

• a decomposer