If the deer population decreased in Yellowstone National Park, what would happen to the wolf population?

• it would stay the same

• it would decrease

• it would increase

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

If the deer population in Yellowstone National Park increases, what happens to the amount of resources in the area?

• stays the same

• decreases

• increases

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

The lion in this food chain is a ____________.

• producer

• primary consumer

• secondary consumer

• tertiary consumer

Tags

NGSS.MS-LS2-3

________ is the variety of all types of organisms living in a given 

      area.

• ecology

• biodiversity

• ecosystem

• population

Tags

NGSS.MS-LS2-5

Who are the primary consumers in this food web?

• grasses

• rabbit, mouse, grasshopper

• owl, frog, bird

• owl, rabbit, grasshopper

Tags

NGSS.MS-LS2-1

The living factors in the environment are called _________.

• abiotic

• biotic

Tags

NGSS.MS-LS2-4

The non-living factors in the environment are called _________.

• abiotic

• biotic

Tags

NGSS.MS-LS2-3

Dead grasshoppers are __________ factors of the environment.

• biotic

• abiotic

A symbiotic relationship where one organism benefits and the other is harmed is ____________.

• commensalism

• mutualism

• parasitism

• predation

A symbiotic relationship where both organisms benefits is ____________.

• commensalism

• mutualism

• parasitism

• predation

Tags

NGSS.MS-LS2-2