This is where you will find the answers to some of your homework 
questions.


PRENTICE HALL
P 71-81
11. 3   12. 4   13. 4    14. 2   15. 1   16. 4   17. 1   18. 3   
19. 4   20. 4   21. 2    22. 1   23. 2   24. 1   25. none may have 
particular combination of traits necessary for survival if 
environment changes      26. 4   27. 2   28. 2   
29. 4    30. 4   31. 1   32. 2   33. 2   34. 3
35. 2    36. 2   37. 3   38. 2   39. 3

Prentice Hall
p82-83
1. 2   2. 3   3. 3   4. 3   5. 3   6. 2   7. 4   8. 3  
9. 3  10. 4  11. 3  12. 4  13. 2