Darwins presentation crossword

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Across
  1. 1. Darwins evidence of evolution
  2. 5. organs reduced to the point in which they're just traces of homologous organs
  3. 6. structure having different mature forms but,same embryonic tissue
  4. 7. organisms produced by natural selection having different structures,niches or inhabiting other habitats
  5. 8. nature provides variation, while humans select usefull variations
  6. 10. what did Darwin call the ability of an individual to survive and reproduce
  7. 11. inherited charcteristics that increase an organism's survival chance
Down
  1. 2. members of each species compete for recources
  2. 3. principle stating that all organisms living/extinct originate from common ancestors
  3. 4. individuals that are suited to their enviroment with the ability to survive/reproduce successfully
  4. 9. this results in changes of inherited characteristics of a population increasing fitness over time