Readings 14 notes

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Department
Biological Sciences
Course
BIOC51H3
Professor
Maydianne Andrade
Semester
Fall

Description
Readings 14 Pg. 401-425 (refer to Figures 11.5 and 11.6, pg425, and iguana example) -sexual dimorphism is the difference between the males and females of a species -ZZ}}}o]}LLoZo ]}L L[o]LZKoZLKoZdifferent or why certain traits exist -if there is heritable variation in a trait that affects the ability to obtain mates, then variants conducive to success will become more common over time -mothers typically make a larger parental investment in each offspring than fathers -parental investment is referred to as the energy and time expanded both in constructing an offspring and in caring for it -parental investment increases the reproductive success of the offspring receiving it but decreases the remaining reproductive success in future additional offspring -Ko[Z}L]o} ]Z ZZ]ooo]oZKooLZo] reproductive success is limited more by the number of eggs she can make than by the number of mates -Ko[Z}L]al reproductive success will be relatively large and his realized reproductive success is likely to be limited more by the number of females he can convince to mate with him than the number of ejaculates made -sexual selection is a more potent force in the evolution of males than in females -heritable traits associated, in males, with failure to mate will tend to disappear, while heritable traits associated with mating success will become more common -when sexual selecti
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