How Sloths Went From the Seas to the Trees

The video explores the fascinating evolution and ecological diversity of sloths, from ancient times to the present. It highlights their unique adaptations, such as low metabolism and specialized diets, which allowed them to thrive in various environments, including oceans, caves, and trees. The video also discusses the challenges sloths faced, leading to the extinction of many species, and how modern sloths evolved to survive in trees.

What unique lifestyle do modern sloths have that distinguishes them from their ancient relatives?

• They dig massive burrows.

• They hang upside down from trees.

• They are excellent swimmers.

• They forage on the ocean floor.

Which order do sloths belong to, along with armadillos and anteaters?

• Carnivora

• Primates

• Xenarthra

• Rodentia

What was a common feature among all Xenarthrans that aided in burrowing?

• Webbed feet

• Feathered bodies

• Short limbs

• Long curved claws

What adaptation helped ancient sloths survive in various environments?

• Complex digestive systems

• High metabolism

• Sharp eyesight

• Ability to fly

What evolutionary advantage did ancient sloths have due to their teeth?

• Sharp teeth for hunting

• Teeth that could regenerate

• Teeth that could crush bones

• Teeth that never stopped growing

How did the sea sloth adapt to its aquatic environment?

• Became a fast swimmer

• Grew denser bones

• Developed flippers

• Lost its claws

What was a significant challenge faced by ancient sloths living in caves?

• Limited space

• Extreme temperatures

• Predators

• Lack of food

What is a key reason for the survival of modern sloths in tropical forests?

• Low-energy diet and lifestyle

• Aggressive behavior

• Ability to regulate body temperature

• High-speed movement

Which of the following is NOT a characteristic of modern sloths?

• Suspensory lifestyle

• High metabolism

• Slow movement

• Hanging from trees

Why did larger sloths struggle to survive after the Ice Age?

• They were too small to compete for resources.

• They had a high metabolism.

• They couldn't regulate their body temperature well.

• They were too fast for their environment.