Answers24 - 25 CR - Biology B 0411KBBiogeographic Isolation-Standard Bio 4.5

Biogeographic Isolation Answers

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Scientists today can use many investigative methods to study evolution. Which method was developed after Darwin’s time?

A
DNA comparisons
B
observations
C
comparison of fossils
D
experimentation
2
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Which of the following could result in speciation from biogeographic isolation?

A
the isolation of two populations of the same species
B
the isolation of two individuals of the same species
C
the isolation of two populations of different species
D
the isolation of two individuals of different species
3

Gentoo penguins present a potential mate with a pebble. Emperor penguins have a specific call and movement that they make to attract a mate. Which type of isolation do these penguins demonstrate?

A
temporal isolation
B
behavioral isolation
C
geographical isolation
D
anatomical isolation
4

Which of the following is the best definition of biogeographic isolation?

A
the separation of members of a species through geographical or biological forces
B
the separation of members of different species through geographical forces
C
the separation of populations of different species through time
D
the separation of members of a species through anatomical forces
5

Which is most likely to happen to a population that becomes anatomically isolated from the rest of its species?

A
The entire species will become extinct.
B
The population will become a separate species over time.
C
The population will breed with a different species nearby.
D
The entire species will continue to have viable offspring together.
6

Why do species evolve during adaptive radiation?

A
to fill different niches
B
to create variation
C
to become reproductively isolated
D
to provide evidence of evolution
7

Which lists the correct sequence of events for evolution to occur through isolation?

A
founding population arrives, biogeographic isolation occurs, genetic changes occur, reproductive isolation results
B
genetic changes occur, founding population arrives, reproductive isolation results, biogeographic isolation occurs
C
biogeographic isolation occurs, founding population arrives, genetic changes occur, reproductive isolation results
D
founding population arrives, genetic changes occur, biogeographic isolation occurs, reproductive isolation results
8

Marsupials, such as kangaroos, koalas, and wombats, are mammals that care for their newborn young in a pouch. All marsupials that are found in Australia are thought to have evolved from a single species that migrated to the island and then adapted to the various niches. What does this example illustrate?

A
behavioral adaptation
B
adaptive radiation
C
geographic isolation
D
population explosion
9

Horses and donkeys can mate, but they produce a mule, which is always a sterile animal. This means that they cannot produce viable offspring and are

A
reproductively
B
geographically
C
temporally
D
behaviorally
10

Darwin hypothesized that new species could appear gradually through small changes in an ancestral species. What experiment did he conduct to test this hypothesis?

A
the breeding of finches
B
the breeding of pigeons
C
the observation of humans
D
the observation of dog breeds

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