ZOOL343 - Exam 2

5. concentration of breeding males in a certain area
10. compete directly to access near egg laying/receptive females
12. acquire extra resources or nuptial gifts
13. occurs when an animal risks its own immediate fitness for another
16. physical/hormonal manipulation of mate or community members
17. offspring care and protection
20. mating order matters (generally first or last male)
22. confused paternity protects offspring
23. differences in sexual strategies between the two sexes is due to anisogamy
24. for self

1. defend resources needed by females
2. determine relationship based on how well an individual matches an internal template
3. Females have two sets of chromosomes (one from each parent) and Males have one set of chromosome (develop from unfertilized eggs)
4. make sure all eggs are fertilized Good/compatible genes - ensure genetic compatibility or good genes regardless of social partner
6. differences in size between two gametes
7. male attempts to prevent further copulations
8. colonies with a queen and sterile workers
9. the distribution of direct reproduction among cooperating individuals
11. food or resources that are given in exchange for mating or associated with mating
14. Appears to be much more complicated. Not just investment, but also in availability
15. usually females, maximize offspring quality, be selective
18. prevent access to females by other males
19. potential survival and future fitness
21. usually males, maximize offspring number, be less selective