The Diversity of Life in the Sea

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Across
  1. 2. the organism that best meet the challenges of their environment and come to dominate it out competing all other organism
  2. 6. the theory that all living organisms share a common ancestor and have had gradual changes to their DNA to make them what they are today
  3. 7. 3rd level of organization/taxon
  4. 9. species name
  5. 11. highest level of organization/taxon
  6. 13. 2nd level of organization/taxon
  7. 14. 6th level of organization/taxon
  8. 15. type of organism and lowest level of organization
  9. 16. 4th level of organization/taxon
Down
  1. 1. naming organisms using genus and species
  2. 3. the idea that a species is defined when two of it can reproduce and the offspring can also reproduce
  3. 4. two species that share a common evolutionary history share this
  4. 5. 5th level of organization/taxon
  5. 8. two species that are unable to reproduce
  6. 10. the name of the groups in which animals are sorted
  7. 12. the study of evolutionary relationships