Populations and the Environment

Question 1

Which of the following statements are observations about the photo on the right? Check all that apply.

Revolt · Accepted Answer

Three boys are wearing green shirts.; Most of the children are running.; The grass is green.

Question 2

A volcano erupts, covering the nearby land with lava:

Revolt · Accepted Answer

negative

Question 3

A forest is rapidly growing new plant life:

Revolt · Accepted Answer

positive

Question 4

A dam is built in the middle of a river ecosystem to supply water to a nearby town:

Revolt · Accepted Answer

both

Question 5

A dam is built in the middle of a river ecosystem to supply water to a nearby town:

Revolt · Accepted Answer

both

Question 6

Identify the interactions as positive, negative, or both.A mudslide wipes out the side of a thriving hill:

Revolt · Accepted Answer

negative

Question 7

Identify whether each of the following is a biotic or abiotic factor.Bear:

Revolt · Accepted Answer

biotic

Question 8

A recent forest fire has swept through the forest, killing many of the smaller organisms such as the hare, deer, and rodent populations that are prey for the larger organisms such as bobcats, wolves, and mountain lions. How would this affect the populations in the forest ecosystem? Check all that apply.

Revolt · Accepted Answer

The populations of bobcats, wolves, and mountain lions will decrease due to lack of food.; The populations of deer, hare, and rodents will increase due to the number of predators.

Question 9

Identify whether each of the following is a biotic or abiotic factor.Bear:

Revolt · Accepted Answer

biotic

Question 10

An organism’s niche is determined by its , which is it’s physical environment.

Revolt · Accepted Answer

habitat

Populations and the Environment Answers

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