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Twelfth Grade (Grade 12) Evolution Questions

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Grade 12 Evolution
Define phylogeny.
  1. history of evolution of organisms (tree diagram)
  2. order of taxa
  3. two-part key used to identify organisms by their physical features
  4. the science of classifying and naming organisms
Grade 12 Evolution
Grade 12 Evolution
Structures as different as human arms, bat wings, and dolphin flippers contain many of the same bones. These bones have developed from very similar embryonic tissues. How do biologists interpret these similarities? Select all that apply.
  1. by identifying the bones as being homologous structures
  2. by the principle of convergent evolution
  3. by proposing that humans, bats, and dolphins share a common ancestor
Grade 12 Evolution
How long has the human species survived?
  1. 200,000,000 years
  2. 2,000 years
  3. 200,000 years
  4. 300,000 years
Grade 12 Evolution
The dramatic animal diversification that was between 542 and 525 million years ago is the
  1. cephalization.
  2. Cambrian explosion.
  3. metamorphosis.
  4. body plan.
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