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Biology > Q3 Module 4 Mechanisms that Produce Change in Populations from Generation to Generation > Flashcards

Q3 Module 4 Mechanisms that Produce Change in Populations from Generation to Generation Flashcards

1
Q

Which of the following did Darwin referred to as the ability of an organism to
survive?

A

Fitness

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2
Q

Which of the following refers to the change in the genetic information of an organism?

A

Mutation

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2
Q

Which of the following is the result of natural selection?

A

Evolution due to natural selection

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3
Q

Which of the following is expected to happen to a species which sex has the lower reproductive potential?

A

Be competed over by the other sex

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3
Q

Which of the following refers to the change in the arrangement of nucleotides
in a chromosome which may result in either a structural or physiological
change in the organism?

A

A mutation

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4
Q

Which kind of population is mostly affected by genetic drift?

A

Small populations

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5
Q

Which of the following does not result to evolutionary change?
A. Directional selection
B. Gene flow
C. Genetic drift
D. None of the above

A

None of the above

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5
Q

Which of the following best describes gene flow?

A

The movement of genes between species populations

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6
Q

Which of the following refers to the condition wherein individuals move in or out of a population?

A

Gene Flow

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7
Q

Which of the following best describes genetic drift?

A

Random changes in gene frequency in a population

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7
Q

The concept of genetic bottlenecks includes which of the following?

A. Increased ability to resist new diseases
B. A loss of genetic diversity in descendant populations
C. Extensive gene flow
D. Sharing of genetic material between two populations

A

A loss of genetic diversity in descendant populations

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8
Q

Which of the following is NOT an agent of natural evolutionary change?

A

Artificial selection

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9
Q

Which of the following can change the frequency of a particular allele or a
wanted characteristic within a population over time?

A

Selection

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10
Q

Which of the following is a genetic preservation feature that increases the likelihood of survival and reproduction of some individuals within a population?

A

Natural selection

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11
Q

Which of the following refers to the total of all the alleles of all the genes in a population?

A

Gene pool

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Biology (22 decks)

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