Chapter 14 Review Evolution: How Change Occurs

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Chapter 14 - ReviewEvolution How Change Occurs

• Charles Page High School
• Dr. Stephen L. Cotton

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Chapter 14 - Review

• A genetic change will be maintained in a
  population if the change _________.
• Darwins finches are an excellent example of
  ________.
• A new species cannot usually form without
  _________.

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Chapter 14 - Review

• Occasionally, brief periods of rapid change occur
  between long periods of stability according to
  the theory of ________.
• The source of the random variations on which
  natural selection operates are changes in _______.

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Chapter 14 - Review

• Two analogous structures would be _________.
• Adaptive radiation was least important in the
  history of _____.
• The first person to bring the concept of
  evolution to the attention of scientists was ____.

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Chapter 14 - Review

• The main evidence that the mechanism of evolution
  proposed by Lamarck could not work came from
  ______.
• Lyells work affected Darwins thinking by
  presenting new information about _______.

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Chapter 14 - Review

• Kettlewell found that the peppered moths that
  were best camouflaged had the ______.
• Scientists explain each of the following in
  genetic terms except geographic barriers
  evolutionary change species adaptation

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Chapter 14 - Review

• A group of similar-looking organisms that breed
  with each other and produce fertile offspring
  make up a _______.
• Evolution can be defined as any change in the
  relative frequency of alleles in the gene pool of
  a ______.

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Chapter 14 - Review

• The random change in the frequency of a gene is
  _____.
• Plant breeders have produced the tangelo, a
  hybrid between a tangerine and a pomelo, by ___.
• Evolution resulted from the inheritance of
  acquired traits according to ______.

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Chapter 14 - Review

• What is the first that is out of order? Change
  in gene pool separation of population
  reproductive isolation sharing the same island
• The belief that famine, disease, and war could
  prevent human growth was presented by ____.

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Chapter 14 - Review

• According to Darwinian theory, evolution occurs
  by ____ selection.
• According to the fossil record, at several times
  in the past huge numbers of species have
  disappeared suddenly in a phenomenon known as
  _____.

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Chapter 14 - Review

• The genetic equilibrium of a population may be
  upset by each of the following except
  isolation genetic drift gene frequency mass
  extinction.
• Related organisms become less alike by ______
  evolution.

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Chapter 14 - Review

• The variations upon which natural selection
  operates are _____ and ______.
• According to Kettlewell, the peppered moths of
  England are a classic example of _______.
• Natural selection can operate only on an
  individuals _____.

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Chapter 14 - Review

• A species will have the best chance for survival
  if it occupies an empty _____.
• The success of an organism has in passing its
  genes is ______.
• Since the number of humps on a camel does not
  seem to affect survival, they resulted from ____.

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Chapter 14 - Review

• Partly because of differences in beak size and
  mating behavior, the various species of Darwins
  finches occupied _____ niches.
• _____ upsets a populations genetic equilibrium.
• Speciation does not occur without barrier _____.

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Chapter 14 - Review

• An improved understanding of _____ discredited
  the mechanics of evolution proposed by Lamarck.
• The relative frequency of alleles is not
  necessarily changed by ______.

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Chapter 14 - Review

• ______ is necessary for genetic change to occur.
• It is easy to _____ evolution, but harder to
  explain ______.
• Do all of an organisms characteristics have to
  contribute to its fitness?

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Chapter 14 - Review

• What handicap was Darwin working under?
• A species has the best chance for survival if it
  occupies an ______ niche.
• Animal breeders have produced hornless cattle by
  ____ selection.