Evolution and Adaptation

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Across
  1. 4. mutalistic or competitive
  2. 6. whale's tail an shark's tail are examples of (two words)
  3. 7. passive or active
  4. 9. incapable of creating own energy
  5. 10. something that inhibits the growth of microorganisms
  6. 11. bat's wing and human hand are examples of (two words)
Down
  1. 1. reproductive health of a species
  2. 2. pelvic bone of snake (two words)
  3. 3. whales and shark are examples of animals that underwent this (two words)
  4. 5. plants and cyanobacteria
  5. 8. substance used to stimulate production of antibodies
  6. 12. set of all genes in a population (two words)