Question 1

Birds are least related to

Accepted Answer

A)  nonavian dinosaurs.
B)  crocodiles.
C)  turtles.
D)  mammals.
E)  amphibians.F) D) and E)
G) A) and D)

Question 2

Humans are placed into what kingdom and domain?

Accepted Answer

A)  Animalia,Archaea
B)  Chordata,Archaea
C)  Archaea,Eukarya
D)  Animalia,Eukarya
E)  Archaea,AnimaliaF) A) and E)
G) C) and E)

Question 3

Species such as mice have a better chance of surviving sudden environmental change than elephants because elephants

Accepted Answer

A)  reproduce much more slowly than mice.
B)  require larger habitats than mice.
C)  eat more than mice.
D)  live longer than mice.
E)  have a more selective diet than micE.F) All of the above
G) B) and C)

Question 4

The observation that although fresh water habitats account for only 1% of the Earth's water,they are home to 36% of the known species of fish is due to ____ speciation.

Accepted Answer

A)  prezygotic
B)  postzygotic
C)  allopatric
D)  sympatric
E)  outgroupF) A) and B)
G) B) and E)

Question 5

An evolutionary tree depicts species' relationships based on descent from shared ancestors.

Accepted Answer

A) True 
 B)False

Question 6

What is the least inclusive level of the hierarchical classification scheme?

Accepted Answer

A)  domain
B)  phylum
C)  kingdom
D)  genus
E)  speciesF) B) and D)
G) C) and E)

Question 7

The more heritable traits organisms share,the more taxonomic levels they share.

Accepted Answer

A) True 
 B)False

Question 8

The types of living organisms on Earth have changed over time-new species have originated and existing species have disappeared.This is an example of

Accepted Answer

A)  speciation.
B)  extinction.
C)  macroevolution.
D)  alternation of generations.
E)  hybridization.F) A) and B)
G) B) and E)

Question 9

If you saw two populations of a species of snail,separated by a water-filled valley that they could not cross,you might eventually expect to see speciation due to

Accepted Answer

A)  mechanical isolation.
B)  habitat isolation.
C)  hybrid inviability.
D)  behavioral isolation.
E)  temporal isolation.F) C) and D)
G) All of the above

Question 10

You are studying two populations of dung beetles,one of which rolls their dung balls at noon,resting at night,and the other of which reverses this.These could speciate due to

Accepted Answer

A)  behavioral isolation.
B)  gametic isolation.
C)  mechanical isolation.
D)  temporal isolation.
E)  sexual selection.F) A) and B)
G) B) and C)

Question 11

The idea that evolution proceeds in small,incremental changes over many generations is

Accepted Answer

A)  temporal isolation.
B)  gradualism.
C)  punctuated equilibrium.
D)  hybrid breakdown.
E)  mechanical isolation.F) C) and E)
G) B) and C)

Question 12

The scientist given credit for devising the two-word naming system of all living organisms is

Accepted Answer

A)  Aristotle.
B)  Charles Darwin.
C)  Gregor Mendel.
D)  Carolus Linnaeus.
E)  Louis Pasteur.F) C) and D)
G) A) and C)

Question 13

A biological species is defined as a population whose members can interbreed,although the offspring may be infertile.

Accepted Answer

A) True 
 B)False

Exam 14: Speciation and Extinction

Species such as mice have a better chance of surviving sudden environmental change than elephants because elephants

Correct Answer
verified

The more heritable traits organisms share,the more taxonomic levels they share.

Correct Answer
verified

The observation that although fresh water habitats account for only 1% of the Earth's water,they are home to 36% of the known species of fish is due to ____ speciation.

Correct Answer
verified

You are studying two populations of dung beetles,one of which rolls their dung balls at noon,resting at night,and the other of which reverses this.These could speciate due to

Correct Answer
verified

The types of living organisms on Earth have changed over time-new species have originated and existing species have disappeared.This is an example of

Correct Answer
verified

Birds are least related to

Correct Answer
verified

A biological species is defined as a population whose members can interbreed,although the offspring may be infertile.

Correct Answer
verified

If you saw two populations of a species of snail,separated by a water-filled valley that they could not cross,you might eventually expect to see speciation due to

Correct Answer
verified

The idea that evolution proceeds in small,incremental changes over many generations is

Correct Answer
verified

The scientist given credit for devising the two-word naming system of all living organisms is

Correct Answer
verified

Humans are placed into what kingdom and domain?

Correct Answer
verified

What is the least inclusive level of the hierarchical classification scheme?

Correct Answer
verified

An evolutionary tree depicts species' relationships based on descent from shared ancestors.

Correct Answer
verified

Exam 14: Speciation and Extinction

Species such as mice have a better chance of surviving sudden environmental change than elephants because elephants

Correct AnswerverifiedShow Answer

The more heritable traits organisms share,the more taxonomic levels they share.

Correct AnswerverifiedShow Answer

The observation that although fresh water habitats account for only 1% of the Earth's water,they are home to 36% of the known species of fish is due to ____ speciation.

Correct AnswerverifiedShow Answer

You are studying two populations of dung beetles,one of which rolls their dung balls at noon,resting at night,and the other of which reverses this.These could speciate due to

Correct AnswerverifiedShow Answer

The types of living organisms on Earth have changed over time-new species have originated and existing species have disappeared.This is an example of

Correct AnswerverifiedShow Answer

Birds are least related to

Correct AnswerverifiedShow Answer

A biological species is defined as a population whose members can interbreed,although the offspring may be infertile.

Correct AnswerverifiedShow Answer

If you saw two populations of a species of snail,separated by a water-filled valley that they could not cross,you might eventually expect to see speciation due to

Correct AnswerverifiedShow Answer

The idea that evolution proceeds in small,incremental changes over many generations is

Correct AnswerverifiedShow Answer

The scientist given credit for devising the two-word naming system of all living organisms is

Correct AnswerverifiedShow Answer

Humans are placed into what kingdom and domain?

Correct AnswerverifiedShow Answer

What is the least inclusive level of the hierarchical classification scheme?

Correct AnswerverifiedShow Answer

An evolutionary tree depicts species' relationships based on descent from shared ancestors.

Correct AnswerverifiedShow Answer

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