BIO 109 Online Home
Lab Manual
Natural History Event Species List


Sources: PowerPoint 03e and 03f, Web, text (p. 459-507)

1. What are the key characteristics of mammals?

2. What are the three major types of mammals?

3. Which are the two most diverse groups of mammals in both the world and Arizona?

4. What is the difference among antlers, horns, and pronghorns?

5. What is the difference between primary and secondary sexual characteristics?

6. What is it called when males and females look different due to having different secondary sexual characteristics?

7. Name and define the two major components of natural selection given in class materials.

8. Name and define the two major components of sexual selection given in class materials.

9. When females (and males) choose their mates, they can receive direct fitness benefits or indirect fitness benefits. Which is considered runaway selection and which is considered good gene selection, and why?

10. Whoever defends mates best against rivals (e.g., bighorn sheep, deer, elk) uses which mating strategy?

11. Whoever defends best resources (e.g., food, shelter, etc) (e.g., creosote bush grasshoppers, elephant seals) uses which mating strategy?

12. Whoever gets to most mates first (e.g., cactus bees) uses which mating strategy?

13. Whoever holds best spot at ritual gathering place for mate selection, but female ends up choosing (e.g., sage grouse) uses which mating strategy?

14. Whoever offers best “gifts” (e.g., food) (e.g., northern shrike) uses which mating strategy?

15. Whoever looks/smells, sounds, etc. the best (e.g., widowbird, northern mockingbird) uses which strategy?

16. Define and give the pros and cons of monogamy.

17. Define and give the pros and cons of polygamy.

18. Most birds are monogamous or polygamous? Mammals?

19. Name and define the 3 types of polygamy given in class materials.

20. How do moths (and some other insects) avoid becoming bat food?