Predator Prey Relationship

As prey population goes up... predator populations go _____________

Tags

NGSS.MS-LS2-4

Definition of Predator

• animal that is hunted for as food

• animal that hunts other animals for food

As prey population numbers go down, which means a decrease in food for predators... predator population numbers go...

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

Which phrase best describes the way these animals are interacting?

• Predator and pray

• Sharing a niche

• competition for the same resources

What is the relationship between predator and prey?

The number of ​ (a)   affects the number of ​ (b)   . As prey numbers ​ (c)   , so does the number of predators.  As prey numbers ​ (d)   , so does the number of predators.

• prey

• predators

• increase

• decrease

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

This graph shows the relationship between the moose population and the wolf population. Every time the ​ (a)   population decreases the ​ (b)   population increases. This correlation is common in a ​ (c)   relationship. ​

• wolf

• moose

• Predation

• Parasitism

• Mutualism

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

The moose population increased after 1980 because the wolf population ​ (a)   ​ rapidly.

• decreased

• increased

• did not change

Answer explanation

The wolves are graphed using the dotted line and the moose are the solid lines. The dotted line drops and the solid line rises after 1980.

Tags

LS.8

LS.6

As the wolf population ​ (a)   the moose population ​ (b)   . The wolves keep the moose population ​ (c)   . Without predators the moose population would continue to ​ (d)   .

• decreases

• increases

• balanced

• rise

• Shrink

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

Which of the following is an example of true predation?

• A cow grazing on grass

• A lion hunting a zebra

• A bee pollinating flowers

• A bird building a nest

Which of the following best describes a predator?

• An organism that is hunted and consumed

• An organism that feeds on plants

• An organism that hunts and consumes another organism

• An organism that lays eggs inside a host