Sexual Selection

Question 1

Sexual Selection

Answer 1

Favours selection of traits that influence mating success of an individual
↪ Remember individuals that reproduce are the ones that actually contribute to the gene pool

There are two major forms: Intersexual and Intrasexual

Question 2

Intersexual Selection

Answer 2

→ Males compete with their traits to by chosen by a female
↪ Females choose mates based on physical traits (like coloration) or behavioral traits (like songs or dances)

→ Produces traits beneficial for mating but possible detrimental otherwise.
↪ A peacocks tail decrease the chance of survival but is needed for reproductive success

→ Many species evolved with a compromise between the different selective pressures

Question 3

Intrasexual Selection

Answer 3

Males compete with other males aggressively for access to the female
↪ Males with best fighting technique, largest body size and largest “weapons” will have a way higher chance of winning than biologically inferior males.