Food Webs

Use the diagram to answer the question.

Susan studies the diagram above.

Which term describes the rabbit?

• consumer

• predator

• prey

• producer

Tags

NGSS.MS-LS2-4

If the wheat plants die, what would happen to the mice population?

• The mice population would increase.

• The mice population would decrease.

• The mice population would remain about the same.

• The mice population would increase and then decrease.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

In a forest ecosystem a hawk is a predator, and its prey is a mouse.

What will most likely happen if the number of hawks declines?

• The number of mice will barely decrease.

• The number of mice will greatly decrease.

• The number of mice will stay the same.

• The number of mice will increase.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which statement is the most accurate prediction about the rise in population of rabbits over the last 4 years according to the roles each animal might play in a food chain?

• The rabbit population increased because the squirrel population increased.

• The rabbit population increased because the duck population increased.

• The rabbit population increased because the fox population decreased.

• The rabbit population increased because the squirrel population decreased.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

Which statement is the most accurate prediction about the rise in population of rabbits over the last 4 years according to the roles each animal might play in a food chain?

• The rabbit population increased because the squirrel population increased.

• The rabbit population increased because the duck population increased.

• The rabbit population increased because the fox population decreased.

• The rabbit population increased because the squirrel population decreased.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

If the insect population decreased significantly, what would happen to the spider population?

• The spider population would increase because the insects would not damage their webs as much, and spiders would use less energy to produce new webs.

• The spider population would decrease because of the reduction of one of its major sources of food.

• The spider population would remain about the same because the spider would find new sources of food.

• The spider population would increase because it would begin to eat larger species of animals which would supply more food.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

Use the diagram to answer the question.

Susan studies the diagram above.

Which term describes the relationship between the owl and the fox in the diagram?

• collaborators

• competitors

• decomposers

• producers

Tags

NGSS.MS-LS2-2

Which best explains the increase in the number of ducks in Treyburn Park?

• Squirrels decreased, and the ducks had fewer predators, so more ducks survived.

• Foxes decreased, and the ducks had fewer predators, so more ducks survived.

• Rabbits began to increase and ate more squirrels, so foxes had fewer food sources and left the park.

• Heavy rains in 2010 helped develop another large pond, so the duck habitat was increased and that allowed more ducks to survive.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which of these is an example of a producer?

• snake

• worm

• human

• grass

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which animal is the apex predator in this food web?

• eagle

• mouse

• spider

• snake

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4