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Sexual selection is a natural process that occurs in animals just before mating: it's a selection that increase an individual's chance of getting a mate. There are two forms. | Sexual selection is a natural process that occurs in animals just before mating: it's a selection that increase an individual's chance of getting a mate. There are two forms. | ||
1) '''Male-male competition''' (The Law of Battle): It's a struggle between the males for the possession of a female | 1) '''Male-male competition''' (The Law of Battle): It's a struggle between the males for the possession of a female. | ||
{{co|why only ONE female... Generally, males fight for more than ONE female... in order to be sure to transfer their alleles in the offspring}}[[Utilisateur:Pierre.brawand|Pierre.brawand]] 19 avril 2011 à 22:36 (CEST) | {{co|why only ONE female... Generally, males fight for more than ONE female... in order to be sure to transfer their alleles in the offspring}}[[Utilisateur:Pierre.brawand|Pierre.brawand]] 19 avril 2011 à 22:36 (CEST) | ||
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{{co|beautiful is not the right term here}}[[Utilisateur:Pierre.brawand|Pierre.brawand]] 19 avril 2011 à 22:38 (CEST) | {{co|beautiful is not the right term here}}[[Utilisateur:Pierre.brawand|Pierre.brawand]] 19 avril 2011 à 22:38 (CEST) | ||
and the biggest physical features (like a big tail, bright colors, etc.). The choice is done after that comparison, and many experiences {{co|EXPERIMENTS}}[[Utilisateur:Pierre.brawand|Pierre.brawand]] 19 avril 2011 à 22:38 (CEST) | |||
showed that the strongest and most beautiful {{co|again not the right term}} animal were chosen by females. | |||
==How does it work?== | ==How does it work?== | ||
Version du 19 avril 2011 à 21:38
First of all, sex is good.
HOW SEX DRIVES EVOLUTION
First of all... sex is good...Pierre.brawand 19 avril 2011 à 22:36 (CEST)
Introduction
What is sexual selection?
Sexual selection is a natural process that occurs in animals just before mating: it's a selection that increase an individual's chance of getting a mate. There are two forms.
1) Male-male competition (The Law of Battle): It's a struggle between the males for the possession of a female.
why only ONE female... Generally, males fight for more than ONE female... in order to be sure to transfer their alleles in the offspringPierre.brawand 19 avril 2011 à 22:36 (CEST)
. Two males of the same species fight out, and the goal is to drive off the other male in order to win access to females.
2) Female choice: This is a choice made by females. They "compare" males to each others and recognize the most beautiful
beautiful is not the right term herePierre.brawand 19 avril 2011 à 22:38 (CEST)
and the biggest physical features (like a big tail, bright colors, etc.). The choice is done after that comparison, and many experiences
EXPERIMENTSPierre.brawand 19 avril 2011 à 22:38 (CEST)
showed that the strongest and most beautiful
again not the right term animal were chosen by females.
How does it work?
Why sex?
What is dimorphism?
A question of choice?
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