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Adaptation

Investigation 3 – PostLab

 

 

 

 

 

 

 

ANALYZE IT

Complete the Analysis Questions in your SDR then discuss them as a class. 

Note: You should place your team’s fossil record from Lab on their table so that you are able to refer to it as you respond to the following questions.

  • Study the fossil record and think about the experiment you just completed with the more dense bone and less dense bone penguins and fish. Use your results to explain what may have happened during the time period between Layer 2 and Layer 3? 
  • Can a fossil record provide clues to what happened in an environment? Explain. 
  • Can a fossil record provide information about natural selection? Explain. 

GET FOCUSED

Complete the Focus Question in your SDR then discuss it as a class. 

  • How can an environmental change affect a population? 

COMPREHENSION CHECK

The Comprehension Check is designed to summarize the CELL and provide the teacher with an informal way to assess your understanding of the big ideas.

Answer each Focus Question below:

 

  • Why do individuals of a species have different traits? 

  • What is the relationship between the survival of the individuals of a species and genetic variations? 

  • How does genetic variation affect the type of traits or the adaptations in the individuals of a species? 

  • What is the relationship between genetic variation and natural selection? 

  • How can an environmental change affect a population?