SILENT

Question 1

Which of the following includes all the others?

Answer 1

B

Question 2

A group of individuals of the same species occupying a given area defines a

Answer 2

C

Question 3

A population

Answer 3

E

Question 4

The total number of individuals of the same species that occupy a given area at a given time is the

Answer 4

D

Question 5

The maximum rate of increase of a population is its

Answer 5

A

Question 6

The biotic potential

Answer 6

E

Question 7

Population size depends upon

Answer 7

E

Question 8

Populations of most species

Answer 8

A

Question 9

Populations

Answer 9

D

Question 10

Limiting factors

Answer 10

E

Question 11

A J-shaped growth curve is converted to an S-shaped one

Answer 11

C

Question 12

The carrying capacity of an environment is determined by

Answer 12

E

Question 13

Which is an example of a habitat?

Answer 13

B

Question 14

All of the populations of different species that occupy and are adapted to a given area are referred to by which term?

Answer 14

B

Question 15

What term denotes the range of all factors that influence whether a species can obtain resources essential for survival and reproduction?

Answer 15

B

Question 16

Which of the following would be more likely to affect an animal’s habitat than its niche?

Answer 16

A

Question 17

The relationship between an insect and the plants it pollinates is best described as

Answer 17

A

Question 18

The relationship between the yucca plant and the yucca moth that pollinates it is best described as

Answer 18

D

Question 19

In mixed assemblages, baboons sometimes see predators that impala do not hear, and impala sometimes hear predators that baboons do not see. In both cases, the flight of one species alerts the other to danger. This interaction is an example of

Answer 19

C

Question 20

An interaction between two species in which both species benefit is known as

Answer 20

A

Question 21

Niche overlap initially leads to

Answer 21

C

Question 22

Competitive exclusion is the result of

Answer 22

C

Question 23

A male wolf who is courting a female bares his teeth when a second male approaches the same female. The second male retreats. This series of events provides an example of

Answer 23

C

Question 24

The construction of a fence around your yard would establish a relationship with the neighbor’s dog that would be described as

Answer 24

B

Question 25

A goat eating by pulling a plant out of the ground is an example of

Answer 25

B

Question 26

Conditions of stable coexistence between predator and prey include

Answer 26

D

Question 27

Humans hunt the black rhinoceros, which is rapidly approaching extinction as a result of this predation. What accounts for the absence of stable coexistence between the two species?

Answer 27

D

Question 28

In general, a predator is __________ than its __________.

Answer 28

D

Question 29

Which statement about ecosystems is false?

Answer 29

D

Question 30

A network of interactions that involve the cycling of materials and the flow of energy between a community and its physical environment is which of the following?

Answer 30

C

Question 31

A community differs from an ecosystem in that the former does NOT include

Answer 31

C

Question 32

In a natural community, primary consumers are

Answer 32

A

Question 33

Net primary productivity is the

Answer 33

E

Question 34

Most of the energy within an ecosystem is lost

Answer 34

C

Question 35

Of the energy that enters one trophic level, approximately what percent (average) becomes available for the next trophic level?

Answer 35

B

Question 36

The difference between gross primary productivity and net primary productivity is

Answer 36

C

Question 37

Three of the four answers listed below are related by a common theme. Select the exception.

Answer 37

B

Question 38

Four of the five answers listed below are heterotrophic. Select the exception.

Answer 38

E

Question 39

Four of the five answers listed below are related by a common action. Select the exception.

Answer 39

B

Question 40

Four of the five answers listed below are related by a common action that retains nitrogen in the biomass. Select the exception.

Answer 40

E