Introduction to Evolution

In natural selection, the selective agent is the

• mutations
• environment

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A phenotype that improves an organism’s chance of survival in their environment is considered a(n) ____________.

• natural selection

• adaption

• speciation

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Natural selection results in change in a population's _____________ traits over time.

• inherited

• acquired

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what did Charles Darwin observe in finch populations of the Galapagos Islands off the coast of South America?

• different species on different islands
• all species on one of the islands

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What is the term for a feature that allows an organism to survive better in its environment?

• adaptation

• vestigial structure

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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 gradual change in species over time is...

• Evolution
• Natural Selection

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Who is considered the "father" of evolution?

• Darwin
• Einstein

When organisms are better adapted to their environment they will survive and reproduce more successfully than organisms less adapted. This process is called what?

• Natural Selection

• Cloning

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