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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. the order of Taxa.
  3. a two part key used to identify organisms which is based on a branching series of choices. Based on visible physical features.
  4. the science of classify and naming organisms.
Grade 12 Evolution
How long has the human species' survive?
  1. 200,000,000 years
  2. 2,000 years
  3. 200,000 years
  4. 300,000 years
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
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