1. What kind of mating system would you predict for this group of spiders? 2. Under what circumstances would you expect the mating system to evolve into an alternative system? 3. Propose some alternative hypotheses for how female mate choice may be maintained in this current system.

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This question is based on the evolution of mating systems in different species. I'm mostly having trouble understanding what is being asked in question 3.

Male peacock spiders offer an elaborate
courtship ritual to females, on little
territories which they defend.
Males erect the flat posterior lobe of
their abdomen, which presents an array
of contrasting prismatic colors.
They dance for the female, tapping their
feet on the substrate in a rapid tattoo.
They also "sing" through vibration.
The female can signal her disinterest
by eating the male.
Fertilization is internal.
Females lay egg sacs and guard them
until hundreds of babies emerge.
What kind of mating system would you predict for this group of spiders?
Under what circumstances would you expect the mating system to
evolve into an alternative system?
3.
Propose some alternative hypotheses for how female mate choice may
be maintained in this current system.
1.
2.
Transcribed Image Text:Male peacock spiders offer an elaborate courtship ritual to females, on little territories which they defend. Males erect the flat posterior lobe of their abdomen, which presents an array of contrasting prismatic colors. They dance for the female, tapping their feet on the substrate in a rapid tattoo. They also "sing" through vibration. The female can signal her disinterest by eating the male. Fertilization is internal. Females lay egg sacs and guard them until hundreds of babies emerge. What kind of mating system would you predict for this group of spiders? Under what circumstances would you expect the mating system to evolve into an alternative system? 3. Propose some alternative hypotheses for how female mate choice may be maintained in this current system. 1. 2.
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