What is Sexual Selection? | Theory of Sexual Selection in Animal Behaviour For CSIR NET Life Science.
In this lecture we will discuss the mechanism of sexual selection which operates as a part of animal behavior. There are two types of sexual selection. One is intersexual selection in which females choose a male and another is intrasexual selection in which the males compete among themselves to hold the females.
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Key Moments:
Natural selection v/s sexual selection 2:09
why mating success is important? 11:19
Advantages of sexual reproduction 19:20
What is reproductive cost? 23:00
Which sex is under strong selection? 30:34
Polygamous condition 36:20
Polygyny 40:32
Polyandry 47:03
Female choice (Intersexual selection) 50:52
Male competition (Intrasexual selection)1:10:49
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24 сен 2024
