Question 1

Which of the following types of organisms would be found in unusually great numbers in the Burgess Shale?

Accepted Answer

A) fish 
B) soft-bodied invertebrates 
C) dinosaurs 
D) amphibians 
E) mammals 
A) fish 
B) soft-bodied invertebrates 
C) dinosaurs 
D) amphibians 
E) mammals B

Question 2

-This figure shows various reproductive barriers which prevent the interbreeding of different species.What does "c" represent?

Accepted Answer

A) gamete isolation 
B) temporal isolation 
C) hybrid sterility 
D) postzygotic isolation mechanisms 
E) prezygotic isolation mechanisms 
A) gamete isolation 
B) temporal isolation 
C) hybrid sterility 
D) postzygotic isolation mechanisms 
E) prezygotic isolation mechanisms B

Question 3

Which of the following speciation models do you think Charles Darwin would have supported?

Accepted Answer

A) sympatric model 
B) allopatric model 
C) punctuated equilibrium model 
D) microevolution model 
E) gradualistic model 
A) sympatric model 
B) allopatric model 
C) punctuated equilibrium model 
D) microevolution model 
E) gradualistic model E

Question 4

Isolation mechanisms which occur after the formation of a zygote are called

Accepted Answer

A) gamete isolation mechanisms. 
B) temporal isolation mechanisms. 
C) postzygotic isolation mechanisms. 
D) mechanical isolation mechanisms. 
E) prezygotic isolation mechanisms. 
A) gamete isolation mechanisms. 
B) temporal isolation mechanisms. 
C) postzygotic isolation mechanisms. 
D) mechanical isolation mechanisms. 
E) prezygotic isolation mechanisms.

Question 5

Which of the following was important of the evolution of something other than the modern horse?

Accepted Answer

A) an increase in size 
B) a decrease in the number of toes 
C) a switch from meat eating to plants 
D) a change in tooth size 
E) a change in tooth shape 
A) an increase in size 
B) a decrease in the number of toes 
C) a switch from meat eating to plants 
D) a change in tooth size 
E) a change in tooth shape

Question 6

When two closely related but separate species are crossed,their offspring are usually

Accepted Answer

A) more fit than the two parent species. 
B) haploid. 
C) prezygotiC. 
D) sterile. 
E) postzygotic. 
A) more fit than the two parent species. 
B) haploid. 
C) prezygotiC. 
D) sterile. 
E) postzygotic.

Question 7

What is thought to have killed the animals found in the Burgess Shale?

Accepted Answer

A) global warming 
B) volcanic activity 
C) a mud slide 
D) fire 
E) an ice age 
A) global warming 
B) volcanic activity 
C) a mud slide 
D) fire 
E) an ice age

Question 8

If you were studying the gene which controls the number and appearance of repeating structures along the main body axes in vertebrates,you would be studying which of the following genes?

Accepted Answer

A) Tbx5 
B) Evo9 
C) Pax6 
D) Hox 
E) Pax2 
A) Tbx5 
B) Evo9 
C) Pax6 
D) Hox 
E) Pax2

Question 9

A biologist is studying the speciation of organisms without geographical barriers.That is

Accepted Answer

A) allopatric speciation. 
B) microevolution. 
C) sympatric speciation. 
D) ecological speciation. 
E) hybrid speciation. 
A) allopatric speciation. 
B) microevolution. 
C) sympatric speciation. 
D) ecological speciation. 
E) hybrid speciation.

Question 10

A condition where the number of chromosomes is beyond diploid is referred to as

Accepted Answer

A) haploploidy. 
B) polyploidy. 
C) symploidy. 
D) gametoploidy. 
E) zygoploidy. 
A) haploploidy. 
B) polyploidy. 
C) symploidy. 
D) gametoploidy. 
E) zygoploidy.

Question 11

You are studying two different species of salamanders which are separated by a hot and dry valley,and fossil evidence indicates that these two species share a common ancestor.Based on this information you could conclude that these two species evolved due to

Accepted Answer

A) sympatric speciation. 
B) adaptive speciation. 
C) artificial speciation. 
D) allopatric speciation. 
E) temporal speciation. 
A) sympatric speciation. 
B) adaptive speciation. 
C) artificial speciation. 
D) allopatric speciation. 
E) temporal speciation.

Question 12

If you wanted to hunt for fossils in the famous Burgess Shale,you would have to travel to

Accepted Answer

A) Yellowstone National Park. 
B) France. 
C) Australia. 
D) British Columbia. 
E) New York StatE. 
A) Yellowstone National Park. 
B) France. 
C) Australia. 
D) British Columbia. 
E) New York StatE.

Question 13

-This figure shows various reproductive barriers which prevent the interbreeding of different species.What does "e" represent?

Accepted Answer

A) gamete isolation 
B) temporal isolation 
C) hybrid sterility 
D) postzygotic isolation mechanisms 
E) prezygotic isolation mechanisms 
A) gamete isolation 
B) temporal isolation 
C) hybrid sterility 
D) postzygotic isolation mechanisms 
E) prezygotic isolation mechanisms

Question 14

The process which prevents a zygote from forming is known by what term?

Accepted Answer

A) postzygotic isolation mechanisms 
B) zygote mortality 
C) prezygotic isolation mechanisms 
D) hybrid sterility 
E) zygote apoptosis 
A) postzygotic isolation mechanisms 
B) zygote mortality 
C) prezygotic isolation mechanisms 
D) hybrid sterility 
E) zygote apoptosis

Question 15

Some of these terms could be used with both natural and artificial selection,but which applies only to artificial selection?

Accepted Answer

A) adaptation 
B) opportunistic 
C) selective advantage 
D) evolution 
E) goal-directed 
A) adaptation 
B) opportunistic 
C) selective advantage 
D) evolution 
E) goal-directed

Question 16

The evolution of whales involved the loss of hind limbs.

Accepted Answer

A) True 
 B)False

Question 17

Ligers are hybrids between lions and cheetahs.

Accepted Answer

A) True 
 B)False

Question 18

Separate species of land snails forming in different Hawaiian canyons which each cannot climb out of is an example of sympatric speciation.

Accepted Answer

A) True 
 B)False

Question 19

Which of the following is true of the evolutionary species concept?

Accepted Answer

A) It can be used to determine if two species are reproductively isolated. 
B) It can be applied to both asexually and sexually reproducing species. 
C) It can only be used to study prokaryotes. 
D) It can only be used to study living organisms. 
E) It can be used to determine traits such as size differences between males and females. 
A) It can be used to determine if two species are reproductively isolated. 
B) It can be applied to both asexually and sexually reproducing species. 
C) It can only be used to study prokaryotes. 
D) It can only be used to study living organisms. 
E) It can be used to determine traits such as size differences between males and females.

Question 20

The result of breeding two closely related species is referred to as

Accepted Answer

A) an alloploid. 
B) a polyploid. 
C) a hybrid. 
D) an autoploiD. 
E) a sub-species. 
A) an alloploid. 
B) a polyploid. 
C) a hybrid. 
D) an autoploiD. 
E) a sub-species.

Exam 15: Speciation and Evolution

Which of the following types of organisms would be found in unusually great numbers in the Burgess Shale?

-This figure shows various reproductive barriers which prevent the interbreeding of different species.What does "c" represent?

Which of the following speciation models do you think Charles Darwin would have supported?

Isolation mechanisms which occur after the formation of a zygote are called

Which of the following was important of the evolution of something other than the modern horse?

When two closely related but separate species are crossed,their offspring are usually

What is thought to have killed the animals found in the Burgess Shale?

If you were studying the gene which controls the number and appearance of repeating structures along the main body axes in vertebrates,you would be studying which of the following genes?

A biologist is studying the speciation of organisms without geographical barriers.That is

A condition where the number of chromosomes is beyond diploid is referred to as

You are studying two different species of salamanders which are separated by a hot and dry valley,and fossil evidence indicates that these two species share a common ancestor.Based on this information you could conclude that these two species evolved due to

If you wanted to hunt for fossils in the famous Burgess Shale,you would have to travel to

-This figure shows various reproductive barriers which prevent the interbreeding of different species.What does "e" represent?

The process which prevents a zygote from forming is known by what term?

Some of these terms could be used with both natural and artificial selection,but which applies only to artificial selection?

The evolution of whales involved the loss of hind limbs.

Ligers are hybrids between lions and cheetahs.

Separate species of land snails forming in different Hawaiian canyons which each cannot climb out of is an example of sympatric speciation.

Which of the following is true of the evolutionary species concept?

The result of breeding two closely related species is referred to as

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