Problem :
What costs are associated with sexual reproduction?
[Solution]
Problem :
What are the advantages of sexual reproduction over parthenogenesis?
[Solution]
Problem :
The long necks of giraffes are not the evolutionary result of their ancestors
being able to
reach higher leaves, as is widely believed. The long necks are a result of
sexual
selection. Explain how this might have occurred. (Hint: Male giraffes fight
with their
heads, and female neck lengths are shorter in proportion to body size than male
neck
lengths.)
[Solution]
Problem :
Which type of sexual selection is illustrated by the elaborate tail feathers of
male
peacocks?
[Solution]
Problem :
What does the honesty principle tell us about elaborate mating displays?
[Solution]
