Evolution

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Across
  1. 5. features of different species that are similar in function but not in structure
  2. 9. physical features of an organism that enable it to survive in its enviroment
  3. 11. how different kinds of organisms have developed
  4. 12. the action of imitating someone or something
  5. 13. variation in the relative frequency of different genotypes in a small population
  6. 14. hide or disguise the presence of something
  7. 16. and internal change that animals and plants go through to ensure their survival in their enviroment
  8. 17. an organisms ability to survive and reproduce in a particular enviroment
  9. 18. inividuals leave more offspring in the next generation then others do
Down
  1. 1. an organ, system, or body part that shares a common ancestry with multiple organisms
  2. 2. structures that have no apparent function
  3. 3. organisms have adapted to their enviroment and tend to produce more offspring
  4. 4. known for this theory on natural selection through evolution
  5. 6. an organism or species becomes better suited for the enviroment
  6. 7. seasonal movement of animals from one region to another
  7. 8. the change of a structural gene
  8. 10. humans choose which organisms to breed
  9. 15. one of the most well known early evolutionists