Evolution

The more offspring an organism has the greater the odds that a few of them will survive, reproduce and pass on those traits

• overproduction

• variation

• selection

• adaptation

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Organisms from the same species can vary in…

• overproduction

• variation

• selection

• adaptation

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a trait that gives an organism an advantage in their particular environment

• overproduction

• adaptation

• selection

• variation

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Over long periods of time natural selection produces organisms different than their ancestors

• overproduction

• selection

• adaptation

• variation

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Species from very different areas of the world evolve in a similar manner in order to survive

• convergent evolution

• parallel evolution

• divergent evolution

Species from the same ancestor accumulate differences over time

• convergent evolution

• divergent evolution

• parallel evolution

Charles Darwin came up with this theory 

• Natural Selection

• Mutation

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Darwin wrote that organisms with traits that are best suited to the environment will ________________

• increase in number
  

• become extinct
  

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The pelvic bone of whales is not needed for movement within the water. This is an example of a(n) ______________ structure.

• vestigial

• analogous

• homologous

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The forelimbs of mammals have similar anatomy because these groups descended from a recent common ancestor. Their bone structure is an example of a(n) ______________ structure.

• vestigial

• analogous

• homologous

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