Practice Test

Question 1

Which shows the levels of organizational hierarchy listed from least complex to most complex?

Revolt · Accepted Answer

D: population, community, ecosystem

Question 2

A conservation biologist has determined the status of the ecosystems in a protected area, as shown in the table. Based on the table, which part of the pie chart represents secondary succession? Status of ecosystems Percentage of protected area Primary succession 10 Secondary succession 30 Barren land 5 Established community 55

Revolt · Accepted Answer

C: segment C

Question 3

How would a harsh winter most likely affect the rabbit population size?

Revolt · Accepted Answer

C: population decreases

Question 4

A population of zebras experienced ten births, six deaths to predation, three deaths to disease, three individuals joining the population, and zero individuals leaving. What is happening to the population growth?

Revolt · Accepted Answer

D: It is increasing.

Question 5

Which term refers to all areas of Earth where life exists?

Revolt · Accepted Answer

C: biosphere

Question 6

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

Revolt · Accepted Answer

B: 10  percent

Question 7

What is the primary source of energy for food chains in an ecosystem?

Revolt · Accepted Answer

C: the sun

Question 8

How do limiting factors most affect population size?

Revolt · Accepted Answer

A: restrict population growth

Question 9

Barnacles and whales have a commensalistic relationship in which barnacles benefit. What would most likely happen to the whale population if the barnacle population decreased?

Revolt · Accepted Answer

B: stay the same

Question 10

Which best describes what happens when an animal does not form a social group?

Revolt · Accepted Answer

A: Foraging is more difficult when hunting a large prey.

Practice Test Answers

More from this Course

TRY EDGENUITY HACKS