PSYC 2600 Chapter Notes - Chapter 8: David Buss, The Need, Conscientiousness
19 Feb 2014
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Natural selection naturally occurring variation leads to differences in the ability to survive and reproduce (reproductive success) the next generation contains more of the successful variant. Darwin"s finches specific beak features that make it easier for each bird to do the task or go after the food they eat adaptive. Certain characteristics make it easier for mate selection. : members of the same sex compete with each other for sexual. Intrasexual competition access to members of the other sex. Ex: moose, the males compete with each other to win the female. Intersexual competition preferences for particular qualities in that mate. : members of one sex choose a mate based on their. One gender is attracted to the characteristics of the other gender. Ex: female peacocks are attracted to the bright/healthy colors of the male. Noise or random variation: ex: nose, belly button, bones.
