Megalodon: The Giant Shark of the Ancient Seas

The video explores the megalodon, the largest shark that ever lived, focusing on its teeth, size, and reasons for its massive size. It discusses the role of endothermy in its physiology, the application of Bergmann's rule, and the factors leading to its extinction. The video also highlights the significance of fossilized teeth in understanding the megalodon's lifestyle and extinction.

What is the megalodon known for?

• Being a type of whale

• Being the smallest fish in the ocean

• Being the largest shark that ever lived

• Being the largest dinosaur

Why are megalodon teeth important for researchers?

• They help estimate the size of the shark

• They are used as jewelry

• They are a source of food

• They are used to make medicine

What is one reason the megalodon might have grown so large?

• To swim faster than dolphins

• To live on land

• To eat larger prey

• To fly in the sky

What is endothermy?

• The ability to regulate body temperature

• The ability to change color

• The ability to breathe underwater

• The ability to fly

What does Bergmann's rule suggest?

• Animals get smaller with latitude

• Animals get bigger with latitude

• Animals become faster with latitude

• Animals change color with latitude

Where have megalodon fossils NOT been found?

• Florida

• California

• Spain

• Antarctica

What contributed to the extinction of the megalodon?

• Too much sunlight

• Competition with great white sharks

• Too much rain

• Lack of food

What is the only part of the megalodon still found today?

• Its eyes

• Its skin

• Its fins

• Its teeth

How many lamniform species are living today?

• 5

• 15

• 20

• 10

Why might the extinction of the megalodon be considered beneficial?

• It made the ocean warmer

• It allowed for more sunlight

• It reduced competition for marine animals

• It increased the number of beaches