Evolution and Adaptation

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Across
  1. 4. something that inhibits the growth of microorganisms
  2. 7. tool that allows for the identification of items in the natural world (two words)
  3. 8. bat's wing and human hand are examples of (two words)
  4. 9. tree showing inferred evolutionary relationships among species (two words)
Down
  1. 1. whales and shark are examples of animals that underwent this (two words)
  2. 2. chance disappearance of particular genes
  3. 3. whale's tail an shark's tail are examples of (two words)
  4. 5. passive or active
  5. 6. antibiotic _________