23.3 Sexual Selection

genetic changes

The ________ allow these strains to grow on contaminated soil, but they are not allowed to grow on non- contaminated soil.

Female peahens

________ select males based on their reproduction rate.

Sexual selection

________ can be done in two ways.

Men

________ would prefer.

Researchers

________ have proposed various hypoth cies of birds, females tend to choose males with a larger eses to explain the underlying mechanisms.

Birds

________ have loud and elaborate songs.

Songs

What are more likely to occur in older males? Answer with a single words or term.

Male guppies

________ are bright colored to attract females, but are less common in high- pregnant areas.

Cryptic female choice

What is a less obvious type of intersexual selection? Answer with a single words or term.

Sexual selection

________ may be involved in the male coloration of two species of tropical freshwater fish popu lar among aquarium enthusiasts.

Female peahens

________ choose male peacocks based on their display and the males 'colorful and long tail feathers.

Sexual selection

________ can affect the appearance of animals, making them less likely to be seen by a predator.

Sexual selection

________ can explain the existence of long and brightly colored tail feathers that decrease an individual's chances of survival but increase their chances of getting married.