AnswersFL-2001340-Environmental Science BHuman Impact on the Environment

Human Impact on the Environment — Cumulative exam Answers

0 verified answers1 views
21
Free Preview

The Great Pacific Garbage Patch is an area in the North Pacific Ocean that contains trash and causes harm to ocean life and those that consume that life. What lessons can be learned from this floating pile of trash?

A
There is no relationship between our daily activities and the environment.
B
There are more polluters in the Pacific Ocean than in the Atlantic Ocean.
C
There are areas of the ocean to avoid with boats.
D
There is a relationship among all living things on Earth.
22
Free Preview

Red-green color blindness is an X-linked recessive disorder. What is the probability of the offspring having red-green color blindness for the cross that is represented by the Punnett square?

Question illustration
A
0 percent
B
25 percent
C
50 percent
D
75 percent
23

If a deer eats grass, what percentage of energy will the deer acquire from the grass?

A
0.1 percent
B
1 percent
C
10 percent
D
100 percent
24

What most likely happened to the population of deer in 1963 and 1964?

Question illustration
A
The population increased its death rate.
B
The population exceeded past carrying capacity.
C
The population crashed down to 0.
D
The population steadily increased to get closer to carrying capacity.
25

Changes in the gene pool can occur due to various mechanisms. In 1989, a large oil spill occurred in Prince William Sound, Alaska, when the Exxon Valdez oil tanker ran aground. Approximately 11 million gallons of oil were spilled and spread 1,300 miles along the Alaskan coastline. The damage from the oil spill affected thousands of animals in the area, including killer whales, harbor seals, sea otters, fish, and sea birds. Which mechanism most likely affected the gene pools of the organism populations in the areas around the oil spill?

A
genetic drift
B
gene flow
C
gene mutation
D
genetic variation

Did you find these answers helpful?