Evolution

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Across
  1. 4. evolved resemblance between an organism and another object
  2. 7. interaction between organisms where both require a limited supply
  3. 8. structures that have no apparent function and appear from past ancestor
  4. 11. different kinds of living organisms
  5. 13. similar physical features in organisms sharing common ancestor
  6. 15. cooperate with another in environment
Down
  1. 1. one specifies being the ancestor of another in later period
  2. 2. reproductive success reflecting how org. adapts to environment
  3. 3. branching diagram showing evolutionary relationship
  4. 5. movement of animals from one region to another.
  5. 6. genetic transfer from one population to another
  6. 9. ability of bacteria to resist the effects of an antibiotic
  7. 10. study of the distribution of species throughout geological time
  8. 12. remains of a prehistoric organism
  9. 14. disgusted to blend in with surrounding