Web of Life

Which of the following can cause a decrease in a population of deer in a forest?

• Forest fire and more food

• Increase in predators and prey

• Increase in predators and forest fire

• Forest fire and disease affecting its predators

Tags

NGSS.MS-LS2-4

The predator/predators in the food chain above is/are __________ .

• plant and caterpillar

• caterpillar and sparrow

• sparrow and eagle

• caterpillar, sparrow and eagler

Tags

NGSS.MS-LS2-3

Which of the following statements are true about the food web above?

• There are only 4 food chains.

• There are 4 predators in this food web that is also prey.

• There are 2 herbivores in this food web.

• When T decreases, R also decreases

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-3

NGSS.MS-LS2-4

The graph above shows the change in two populations of organisms on the grassland.

What is the possible reason for this change?

• Population B preys on organisms in Population A.

• Population B produces more offspring than Population A.

• There is a widespread of disease among the organisms in Population A.

• Population A is more successful in competing for food than Population B.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

The following relationships were observed among four living things P, Q, R and S.

Which of the following is likely to be a producer?

• Q

• R

• S

• P

Tags

NGSS.MS-LS2-3

If there is an increase in the population of sparrows, which of the following will likely occur?

• The population of snakes will decrease.

• The population of praying mantis will increase.

• The population of maize plants will increase.

• The population of grasshopper will decrease as the start and then increase eventually.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4