AP BIO UNIT 7 KEY WORDS

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Across
  1. 2. Wings of birds and bats that evolved independently and serve the same purpose
  2. 4. general variations between members of the same specie. Bears with white and others with brown fur
  3. 5. caused the separation of Africa and South America
  4. 7. Biological preference for stronger animals. Such as a Stag with Antlers
  5. 8. used to calculate the age of a platypus fossil
  6. 10. frogs that are green to ___ the forest
Down
  1. 1. Used in the reproduction of Protozoa
  2. 3. Finches’ beaks evolution due to natural causes
  3. 6. Caused the variations of Honeycreeper birds in Hawaii
  4. 9. maps that are able to show the common ancestry between mammals