Question 1

A community is a more inclusive category than a population.

Accepted Answer

A) True 
 B)False

Question 2

Organisms in communities may be important factors in the evolution/adaptation of other organisms in the community.

Accepted Answer

A) True 
 B)False

Question 3

When two species, such as bees and angiosperms, both benefit from their interdependent relationship, this is referred to as ________.

Accepted Answer

The answer of When two species, such as bees and...

Question 4

Generally speaking, the term for the process by which two species drive each other's evolution is:

Accepted Answer

A)   succession.
B)   coevolution.
C)   competition.
D)   mutualism.E) C) and D)
F) B) and C)

Question 5

Many bromeliads are epiphytes on the bark of tropical trees. They do not tap into the vascular system of the trees, but they collect the nutrient-rich water that drips through the canopy of the trees. This is an example of:

Accepted Answer

A)   predation.
B)   succession.
C)   mutualism.
D)   commensalism.E) None of the above
F) All of the above

Question 6

Ecological dominants are always the most abundant members of a community.

Accepted Answer

A) True 
 B)False

Question 7

Genetic diversity may be one of the characteristics of a biologically diverse community.

Accepted Answer

A) True 
 B)False

Question 8

An accidental spill of a pesticide locally wiped out the most abundant species of butterfly in coastal California. Most of the bird species in the area had fed on this butterfly, but they switched prey to moths, and thus the birds showed only a small decrease in population size. The butterflies were a/an:

Accepted Answer

A)   keystone species, and thus they were driven to extinction very easily.
B)   endangered species.
C)   ecological dominant, but they were not a keystone species.
D)   pioneer species.E) B) and D)
F) A) and B)

Question 9

An interaction in which one species benefits and the other is not affected is classified as:

Accepted Answer

A)   commensalism.
B)   mutualism.
C)   coevolution.
D)   competition.E) A) and B)
F) A) and C)

Question 10

Which of the following is an example of coevolution?

Accepted Answer

A)   the reliance of flowers and bees on each other
B)   the visual acuity of eagles and hawks
C)   the development of a watertight seed
D)   the ability of plants to use sunlight to make their own fuelE) None of the above
F) B) and D)

Question 11

Throughout the story of the evolution of parasites, we frequently see a shift from parasites that seriously harmed their hosts, to those who evolve benign, nearly commensal relationships with their hosts. Evaluate why parasites are more likely to evolve "live and let live" relationships while predators do not.

Accepted Answer

Although both predators and parasites de...

Question 12

G. F. Gause's experiments with interaction of Paramecium caudatum and P. aurelia resulted in his describing the principle of ________.

Accepted Answer

competitiv...

Question 13

Choose the characteristic associated with a top predator who is also a keystone species.

Accepted Answer

A)   the largest animal in the community
B)   the fastest animal in the community
C)   a species that can easily cause extinction of the community
D)   a species whose loss may alter diversity within the communityE) C) and D)
F) B) and D)

Question 14

Explain the differences between a primary succession and a secondary succession. Give an example of each type of succession.

Accepted Answer

In primary succession, there is little o...

Exam 35: An Interactive Living World 2: Communities in Ecology

When two species, such as bees and angiosperms, both benefit from their interdependent relationship, this is referred to as ________.

Correct Answer
verified

An interaction in which one species benefits and the other is not affected is classified as:

Correct Answer
verified

Organisms in communities may be important factors in the evolution/adaptation of other organisms in the community.

Correct Answer
verified

Correct Answer
verified
Although both predators and parasites de...
View Answer

Explain the differences between a primary succession and a secondary succession. Give an example of each type of succession.

Correct Answer
verified
In primary succession, there is little o...
View Answer

Genetic diversity may be one of the characteristics of a biologically diverse community.

Correct Answer
verified

Which of the following is an example of coevolution?

Correct Answer
verified

Many bromeliads are epiphytes on the bark of tropical trees. They do not tap into the vascular system of the trees, but they collect the nutrient-rich water that drips through the canopy of the trees. This is an example of:

Correct Answer
verified

Correct Answer
verified

Ecological dominants are always the most abundant members of a community.

Correct Answer
verified

G. F. Gause's experiments with interaction of Paramecium caudatum and P. aurelia resulted in his describing the principle of ________.

Correct Answer
verified
competitiv...
View Answer

Choose the characteristic associated with a top predator who is also a keystone species.

Correct Answer
verified

A community is a more inclusive category than a population.

Correct Answer
verified

Generally speaking, the term for the process by which two species drive each other's evolution is:

Correct Answer
verified

Exam 35: An Interactive Living World 2: Communities in Ecology

When two species, such as bees and angiosperms, both benefit from their interdependent relationship, this is referred to as ________.

Correct AnswerverifiedShow Answer

An interaction in which one species benefits and the other is not affected is classified as:

Correct AnswerverifiedShow Answer

Organisms in communities may be important factors in the evolution/adaptation of other organisms in the community.

Correct AnswerverifiedShow Answer

Correct AnswerverifiedAlthough both predators and parasites de...View AnswerShow Answer

Explain the differences between a primary succession and a secondary succession. Give an example of each type of succession.

Correct AnswerverifiedIn primary succession, there is little o...View AnswerShow Answer

Genetic diversity may be one of the characteristics of a biologically diverse community.

Correct AnswerverifiedShow Answer

Which of the following is an example of coevolution?

Correct AnswerverifiedShow Answer

Many bromeliads are epiphytes on the bark of tropical trees. They do not tap into the vascular system of the trees, but they collect the nutrient-rich water that drips through the canopy of the trees. This is an example of:

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Ecological dominants are always the most abundant members of a community.

Correct AnswerverifiedShow Answer

G. F. Gause's experiments with interaction of Paramecium caudatum and P. aurelia resulted in his describing the principle of ________.

Correct Answerverifiedcompetitiv...View AnswerShow Answer

Choose the characteristic associated with a top predator who is also a keystone species.

Correct AnswerverifiedShow Answer

A community is a more inclusive category than a population.

Correct AnswerverifiedShow Answer

Generally speaking, the term for the process by which two species drive each other's evolution is:

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
Although both predators and parasites de...
View Answer

Correct Answer
verified
In primary succession, there is little o...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
competitiv...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified