Quiz on Evolution of Live Birth in Animals

What factor is primarily responsible for the evolution of live birth in reptiles?

• Predation pressure

• Availability of food

• Cold climates

• Competition for mates

Why do some shark species give live birth?

• To reduce competition for food

• To avoid egg predation in the ocean

• Due to cold ocean temperatures

• To increase swimming speed

What is a significant challenge for egg-laying animals in the ocean?

• Maintaining body temperature

• Navigating currents

• Hiding eggs from predators

• Finding food

How does the ocean environment affect the evolution of live birth in marine animals?

• It makes it easier to find mates

• It provides more food resources

• It increases the need for speed

• It creates a challenge in hiding eggs

Why is predation not a major factor for the evolution of live birth on land?

• Eggs are easier to hide on land

• Predators are less common on land

• Climate is a more significant factor

• Land animals are faster