Why Sexy Is Sexy

What is sexual selection?

• When individuals choose mates based on their intelligence.

• When one gender of a species consistently prefers mates with specific traits, leading to those traits spreading.

• When animals fight each other to win a mate.

• When individuals choose mates that are genetically identical to themselves.

Why do male peacocks have large, colorful tail feathers?

• To help them fly faster.

• To scare away predators.

• To show female peacocks that they are healthy and have good genes.

• To blend in with their surroundings.

What does bilateral symmetry in humans suggest about an individual's health?

• It means they are more likely to get sick.

• It suggests they were exposed to stress during early development.

• It indicates good health and development without significant stressors.

• It has no connection to health.

Why do humans tend to prefer mates with different immune system genes?

• To ensure their offspring are genetically identical.

• To make their offspring more susceptible to diseases.

• To help their offspring fight off diseases better.

• To attract mates with similar pheromones.