Psychology 3228 Lecture Notes - Lecture 4: Concealed Ovulation, Ismail Ibn Sharif, Sperm Competition

• School: Western University
• Department: Psychology
• Course: Psychology 3228
• Professor: Scott Mac Dougall- Shackleton

Document Summary

Sexual selection some authors equate natural selection with survival selection. Male and female reproductive strategies: males and females differ in reproductive strategy as a result of differences in. Intersexual selection is called female choice (simplified) intraspecific is male to male competition (simplified) different optimal reproduction strategies between males and females: reproductive potential (max potential to get own genes into next generation) parental investment. Reproductive potential: biological sex: gamete size, reproductive cells virtually all species that reproduce sexually have small fast eggs and large ones (sperm and ova) max. Female female produce is limited by eggs produced in lifetime max for males: males produce more in larger numbers, how many of sperm can actually find an egg to fertilize. Males are limited to the amount of fertilization. Between 1725 and 1765, in a total of 27 confinements, she gave birth to 16 pairs of twins, seven sets of triplets, and four sets of quadruplets. Mother of 64 (only 55 officially recognized)