Evolution

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Across
  1. 3. mating rituals
  2. 4. has to be taught
  3. 8. response to the stimulus.
  4. 13. evolution always starts with a _______, which is either favorable or unfavorable
  5. 16. the problem with mules is that they are ______
  6. 17. group of organisms able to breed and produce viable offspring
  7. 18. the process of bacteria becoming resistant to medicine
  8. 19. requirement of natural selection, __________ of offspring
  9. 20. remains of organisms that died long ago
  10. 22. similar to natural selection, but random
  11. 23. requirement of natural selection, _______ of a trait
  12. 27. not being able to mate because they reproduce at different times or in different ways
  13. 28. when ducks think you are their mom
  14. 30. not being able to mate because divided by a physical barrier
Down
  1. 1. structures made of similar bones but performing different functions
  2. 2. small group of population leaves to colonize a new environment
  3. 5. requirement of natural selection, ________ amongst offspring
  4. 6. "survival of the fittest"
  5. 7. the father of evolution
  6. 9. a structural or behavioral change that benefits an organisms
  7. 10. evolution occurs in _______, not individuals
  8. 11. known from birth
  9. 12. type of GD, many organisms die, leaving the rest, which are not similar to the original population
  10. 14. structures with similar functions but made of different things
  11. 15. requirement of natural selection, ________ for a trait
  12. 21. we can look at an organism's DNA, or ________, to better identify evolutionary relationships
  13. 24. animal that Darwin worked with
  14. 25. flying south for the winter
  15. 26. the creation of new species
  16. 29. sensation that brings on a response