7.11 bc/12a vocab

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Across
  1. 3. a characteristic
  2. 5. common ancestry
  3. 8. the occurrence of something happening
  4. 9. how many things are there
  5. 11. better offspring than traits
Down
  1. 1. what bears do in the winter
  2. 2. better suited environment
  3. 4. breeding you select what you want to have
  4. 6. what birds do in winter
  5. 7. mixed offspring
  6. 10. internal life