Bio Crossword

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Across
  1. 4. Pattern of spacing within an areas
  2. 7. Able to reproduce
  3. 8. Looking for relationships in structure during embryonic stages
  4. 9. Being able to produce fertile and viable offspring
  5. 11. Humans selecting for desired traits
  6. 13. Able to survive
  7. 14. Blending into the environment in order to avoid predation
  8. 16. Similar in function but different anatomy;does NOT show common ancestry
  9. 17. All of the alleles that exist in a population
  10. 18. Found only in descendant not in the ancestor
Down
  1. 1. Members of a population that can produce fertile and viable offspring
  2. 2. Similar anatomy or bone layout but different functions;shows common ancestry
  3. 3. Nature is selecting:those best fit for the environment survive
  4. 5. Where organisms are found in the biosphere
  5. 6. Versions of a gene
  6. 10. Number of organisms per unit of area
  7. 11. Ancestor and descendants have in common
  8. 12. No longer serve a purpose;reducing in size;may have served a function in early ancestors
  9. 15. One species looks or resembles another that tends to be harmful
  10. 17. Unit of inheritance