Shark Biology and Behavior

The video explores the unique characteristics of sharks, including their cartilage skeletons, multiple rows of teeth, and specialized skin. It highlights various shark species, such as the whale shark, dwarf lanternshark, and Greenland shark, emphasizing their distinct features and habitats. The video concludes by encouraging viewers to learn more about sharks and engage with the content.

What material is a shark's skeleton made of?

• Cartilage

• Metal

• Wood

• Bone

How do sharks replace their lost teeth?

• They use dentures

• They have multiple rows of teeth that move forward

• They grow new teeth in the same spot

• They don't replace them

What is unique about the texture of a shark's skin?

• It is smooth in all directions

• It is rough in all directions

• It feels smooth in one direction and rough in the other

• It is covered in fur

What helps sharks swim quickly and quietly?

• Their large fins

• Their streamlined bodies

• Their skin covered in tiny scales

• Their powerful tails

Which is the largest type of shark?

• Great White Shark

• Tiger Shark

• Hammerhead Shark

• Whale Shark

What unique feature does the dwarf lanternshark have?

• It can fly

• It glows in the dark

• It changes color

• It can walk on land

What do whale sharks primarily eat?

• Plankton

• Seaweed

• Large fish

• Seals

What is the primary reason for the dwarf lanternshark's glowing feature?

• To scare predators

• To attract mates

• To lure prey and blend in with light

• To communicate with other sharks

Where does the Greenland shark spend most of its time?

• In freshwater lakes

• In coral reefs

• Near the sea floor in cold waters

• In warm tropical waters

How long can Greenland sharks live?

• Up to 100 years

• Up to 200 years

• Up to 300 years

• Up to 400 years