Biology questions

Gonzalo Irazusta & Alexis Stankiewich

4/4/17

 

BIOLOGY QUESTIONS ABOUT CHAPTER 19

  1. What is discontinuous variation?  Give an example.
  2. What is the other type of variation that exists?
  3. Why variation exists?
  4. What are the adaptive features for? Give an example.
  5. What are Xerophytes?  Give an example about this plants and about there situation.
  6. Most organisms over-product, what is this?
  7. Give two examples of natural selection of different species.
  8. How do bacterias survive?
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