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Science

8th

grade

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Biological Evolution - Practice+

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18 questions

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  • 1. Multiple Choice
    30 seconds
    1 pt
    Humans, birds, whales, and lizards all have similar arm bones. What is the reason for this?
    The function of these bones is the same in all animals
    They live in similar environments
    They have a common ancestor
    All organisms resemble humans
  • 2. Multiple Choice
    30 seconds
    1 pt
    Which of the following pieces of evolution evidence deals with comparing similar structures in various species?
    fossil record
    comparing embryology
    comparing biochemistry
    comparing anatomy
  • 3. Multiple Choice
    30 seconds
    1 pt
    Image
    The structures shown are_________
    homologous
    heterologous
    analogous
    vestigial
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