Why Natural Selection Acts on Phenotype, Not Genotype


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question 1 of 3

Which best defines phenotype?

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1. Which best describes genotype?

2. Natural selection alters which of the following?

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About This Quiz & Worksheet

While you have likely heard of Charles Darwin's theory of evolution, you may be less familiar with the process by which it happens. This quiz and worksheet combination will test your knowledge of natural selection, including associated vocabulary and the distinguishing differences between phenotypes and genotypes.

Quiz & Worksheet Goals

Mastery of this quiz requires students to know the following:

  • Definitions of key terms
  • Process of natural selection
  • Difference between phenotypes and genotypes

Skills Practiced

Students taking this quiz will gain proficiency in these related skills:

  • Reading comprehension - ensure that you draw the most important information from the related lesson on natural selection
  • Critical thinking - apply relevant concepts to examine information about evolution in a different light
  • Distinguishing differences - compare and contrast phenotypes and genotypes

Additional Learning

Read the lesson titled Why Natural Selection Acts on Phenotype, Not Genotype to learn more about the process of natural selection. The objectives of this lesson are:

  • Explain the concept of Darwin's descent with modification
  • Analyze reasons that phenotype, not genotype, causes individuals to interact with each other
  • Provide specific examples of phenotypes that influence natural selection