Question 1

Several species of Caribbean Anoline lizards have evolved from a single ancestral species.The species occupies a wide variety of ecological niches,such as tree trunks and the ground,or tree trunks only,or tree trunks and the crown of trees,etc.This type of allopatric speciation is called

Accepted Answer

A)  adaptive radiation.
B)  alloploidy.
C)  autoploidy.
D)  hybridization.E) B) and D)
F) None of the above

Question 2

Evolutionary change above the species level is referred to as ________,whereas evolutionary change below the species level is known as ________.

Accepted Answer

A)  convergent; divergent
B)  macroevolution; microevolution
C)  microevolution; macroevolution
D)  punctuated; gradualisticE) A) and B)
F) A) and C)

Question 3

Once members of a species are geographically isolated,what factors may cause them to differ from each other over time?

Accepted Answer

A)  natural selection
B)  genetic drift
C)  new mutations
D)  sexual selection
E)  All of the above are correct.F) A) and B)
G) A) and C)

Question 4

What type of scientist classifies organisms into groups?

Accepted Answer

A)  geneticist
B)  taxonomist
C)  zoologist
D)  botanist
E)  embryologistF) A) and E)
G) B) and D)

Question 5

The Greek root words meaning "together" and "fatherland" are the basis for the term

Accepted Answer

A)  prezygotic.
B)  adaptive radiation.
C)  speciation.
D)  allopatric.
E)  sympatric.F) A) and D)
G) A) and C)

Question 6

Which of the following examples is best explained by the process of convergent evolution?

Accepted Answer

A)  The wings of birds and butterflies being used for flight.
B)  Both mice and rats having a tail.
C)  Wolves and coyotes both producing milk for their young.
D)  A human cell and a fruit fly cell both going through the process of transcription and translation in order to produce a gene.E) A) and B)
F) B) and D)

Question 7

Plant species A has a diploid number of 28 chromosomes,while Plant species B has a diploid number of 14 chromosomes.Species A and B produce a hybrid through alloploidy.The diploid number of chromosomes of the hybrid is

Accepted Answer

A)  28.
B)  14.
C)  42.
D)  21.E) All of the above
F) B) and C)

Question 8

Descriptions of new species of insects are more likely to contain diagrams of the shape of the male genitalia than head,wing,or leg parts.Why?

Accepted Answer

A)  This is where mutations usually express themselves in animals.
B)  Radiation damage to genes usually occurs in genitalia.
C)  Small changes in the genitalia cause reproductive isolation while a single species can tolerate wider variation in head,wing,and leg morphology.
D)  Arthropods have hard exoskeletons so head,wing,and leg structures can't vary as much.
E)  This is the convention or custom of entomology.F) C) and D)
G) B) and D)

Question 9

The biological species concept is limited,and may not be applied to

Accepted Answer

A)  asexually reproducing organisms.
B)  organisms known only in the fossil record.
C)  species that could possibly interbreed if they lived near one another.
D)  All of the answer choices are correct.E) A) and B)
F) C) and D)

Question 10

Why is the use of morphological traits to distinguish species considered to be a disadvantage?

Accepted Answer

The use of morphological traits to disti...

Question 11

Male birds often perform a special dance or set of physical displays to attract females.This would be an example of a behavioral isolation mechanism.

Accepted Answer

A) True 
 B)False

Question 12

The process in which natural selection favors the continual development of prezygotic isolating mechanisms is called

Accepted Answer

A)  disruptive selection.
B)  sympatric speciation.
C)  mutation.
D)  reinforcement.E) A) and B)
F) A) and C)

Question 13

The biological species concept relies mainly on ________ to define a species.

Accepted Answer

A)  reproductive isolation
B)  morphological differences
C)  the presence of analogous traits
D)  comparative biochemical analysisE) B) and D)
F) B) and C)

Question 14

Compare the key differences between microevolution and macroevolution.

Accepted Answer

Answers may vary but should include the ...

Question 15

Animal diversity is due to variations in the expression of ancient genes in addition to the evolution of new and different genes.

Accepted Answer

A) True 
 B)False

Exam 17: Speciation and Macroevolution

What type of scientist classifies organisms into groups?

Correct Answer
verified

The process in which natural selection favors the continual development of prezygotic isolating mechanisms is called

Correct Answer
verified

Animal diversity is due to variations in the expression of ancient genes in addition to the evolution of new and different genes.

Correct Answer
verified

Male birds often perform a special dance or set of physical displays to attract females.This would be an example of a behavioral isolation mechanism.

Correct Answer
verified

Which of the following examples is best explained by the process of convergent evolution?

Correct Answer
verified

Compare the key differences between microevolution and macroevolution.

Correct Answer
verified
Answers may vary but should include the ...
View Answer

The Greek root words meaning "together" and "fatherland" are the basis for the term

Correct Answer
verified

Once members of a species are geographically isolated,what factors may cause them to differ from each other over time?

Correct Answer
verified

Several species of Caribbean Anoline lizards have evolved from a single ancestral species.The species occupies a wide variety of ecological niches,such as tree trunks and the ground,or tree trunks only,or tree trunks and the crown of trees,etc.This type of allopatric speciation is called

Correct Answer
verified

The biological species concept is limited,and may not be applied to

Correct Answer
verified

Evolutionary change above the species level is referred to as ,whereas evolutionary change below the species level is known as .

Correct Answer
verified

Descriptions of new species of insects are more likely to contain diagrams of the shape of the male genitalia than head,wing,or leg parts.Why?

Correct Answer
verified

The biological species concept relies mainly on ________ to define a species.

Correct Answer
verified

Plant species A has a diploid number of 28 chromosomes,while Plant species B has a diploid number of 14 chromosomes.Species A and B produce a hybrid through alloploidy.The diploid number of chromosomes of the hybrid is

Correct Answer
verified

Why is the use of morphological traits to distinguish species considered to be a disadvantage?

Correct Answer
verified
The use of morphological traits to disti...
View Answer

Exam 17: Speciation and Macroevolution

What type of scientist classifies organisms into groups?

Correct AnswerverifiedShow Answer

The process in which natural selection favors the continual development of prezygotic isolating mechanisms is called

Correct AnswerverifiedShow Answer

Animal diversity is due to variations in the expression of ancient genes in addition to the evolution of new and different genes.

Correct AnswerverifiedShow Answer

Male birds often perform a special dance or set of physical displays to attract females.This would be an example of a behavioral isolation mechanism.

Correct AnswerverifiedShow Answer

Which of the following examples is best explained by the process of convergent evolution?

Correct AnswerverifiedShow Answer

Compare the key differences between microevolution and macroevolution.

Correct AnswerverifiedAnswers may vary but should include the ...View AnswerShow Answer

The Greek root words meaning "together" and "fatherland" are the basis for the term

Correct AnswerverifiedShow Answer

Once members of a species are geographically isolated,what factors may cause them to differ from each other over time?

Correct AnswerverifiedShow Answer

Several species of Caribbean Anoline lizards have evolved from a single ancestral species.The species occupies a wide variety of ecological niches,such as tree trunks and the ground,or tree trunks only,or tree trunks and the crown of trees,etc.This type of allopatric speciation is called

Correct AnswerverifiedShow Answer

The biological species concept is limited,and may not be applied to

Correct AnswerverifiedShow Answer

Evolutionary change above the species level is referred to as ________,whereas evolutionary change below the species level is known as ________.

Correct AnswerverifiedShow Answer

Descriptions of new species of insects are more likely to contain diagrams of the shape of the male genitalia than head,wing,or leg parts.Why?

Correct AnswerverifiedShow Answer

The biological species concept relies mainly on ________ to define a species.

Correct AnswerverifiedShow Answer

Plant species A has a diploid number of 28 chromosomes,while Plant species B has a diploid number of 14 chromosomes.Species A and B produce a hybrid through alloploidy.The diploid number of chromosomes of the hybrid is

Correct AnswerverifiedShow Answer

Why is the use of morphological traits to distinguish species considered to be a disadvantage?

Correct AnswerverifiedThe use of morphological traits to disti...View AnswerShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
Answers may vary but should include the ...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Evolutionary change above the species level is referred to as ,whereas evolutionary change below the species level is known as .

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
The use of morphological traits to disti...
View Answer