Predicting Changes in Populations with Ecological relationships

The following graph shows how the populations of wolves and moose changed over time on Isle Royale in Michigan. Data was collected from 1959 to 2009. Within the Isle Royale ecosystem, wolves are predators that depend on moose for food.

If the population of wolves increases, then the population of moose

• will increase

• will decrease

• will remain the same

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

If the wolf population decreases, then the moose population

• will increase

• will decrease

• will remain the same

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

NGSS.MS-LS2-2

A very cold winter brought a lot of snow in 2025, which made it difficult for moose to find food. Predict what will happen to the population of Wolves:

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

A very cold winter brought a lot of snow in 2025, which made it difficult for moose to find food. Predict what will happen to the moose population:

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

Click on the graph the point at which the moose population is at its highest

Tags

CCSS.8.EE.B.5

Click on the graph the point at which the moose population is at its lowest

Tags

CCSS.HSF.IF.B.4

Click on the graph the point at which the wolf population is at its highest

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

Click on the graph the point at which the wolf population is at its lowest

Tags

CCSS.8.EE.B.5

In 1989, the population of wolves is closest to:

• 10

• 50

• 1000

• 2000

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

In 1994, the population of moose is closest to:

• 20

• 50

• 1000

• 2000

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1