evolution unit crossword

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Across
  1. 3. selection choice of mates
  2. 4. the process of evolving nee species
  3. 6. used for digging
  4. 9. structure body parts that seam similar at first glance, but are actually are not from a common ancestor
  5. 10. used for swimming
  6. 11. used for running/walking
  7. 12. embryos developing
  8. 13. distributional of species on earth
Down
  1. 1. skeletons you find in the ground from animals.
  2. 2. structures structures that to serve a function in an ancestor but no longer does
  3. 5. selection something that evolves to adapt to thee environment to help increase its life expediency
  4. 7. catastrophic and random event
  5. 8. evidence the more dna in common the more related they are
  6. 9. similar in structure, and also from a common ancestor
  7. 14. biogeography that a species that is separated fro each other will develop to fill different local niches