Predator Prey Graph

Click on the picture of the graph. What is this graph showing?

• Lynx and hare populations over time

• Lynx and hare captures over time

• Lynx and hare offspring over time

• Lynx and hare speed over time

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which pattern is found in the graph?

• The populations do not show a similar pattern

• The populations cycle opposite of each other about every 10 years. When one increases, the other decreases

• The populations cycle with each other about every 10 years. When one increases, the other also increases

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

Which population typically increases first? Hint: look at the key to determine the color of the line, then determine which line increases first.

• The Canadian lynx population

• The snowshoe hare population

Tags

NGSS.MS-LS2-1

At the end of the graph, the Canadian lynx population starts to decline. What do you predict will happen to the snowshoe hare population following the decline of their predator?

• the snowshoe hare population will most likely increase

• The snow shoe hare population will most likely decrease

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

On Isle Royale, wolves are the main predators of moose. The graph shows the changing wolf and moose populations on the island over a 50-year time span. What could be a cause of the sudden drop in wolves around 1979-1980?

• Wolves became the prey of Grizzly Bears

• A disease came through the wolf population.

• The roles of Moose and Wolves switched and Moose now eat Wolves.

• Hunting was allowed and the wolves were targeted by humans.

Tags

HS-LS2-1

HS-LS2-2

HS-LS2-6

In general, the ​​ (a)   population will follow the ​ (b)   population because ​ (c)  

• plants

• animals

• energy

• consumers

• producers

• predators provide energy to prey.

• predator

• prey

• prey provide energy to predators.

Tags

NGSS.MS-LS2-3

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

Which line on the graph represents the predator and which represents the prey? (SELECT TWO ANSWERS)

• Predator = blue

• Predator = red

• Prey = blue

• Prey = red

Tags

NGSS.MS-LS2-4

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