Shark Biology and Behavior

The video explores the fascinating world of sharks, highlighting their unique features such as cartilage skeletons, multiple gill slits, and diverse species. It discusses their adaptations, senses, and the texture of their skin. The video also covers shark teeth, tonic immobility, and their role in ocean ecosystems. A review section reinforces key points.

What material makes up a shark's skeleton?

• Cartilage

• Bone

• Calcium

• Keratin

Which shark is known as the largest fish in the world?

• Bull Shark

• Hammerhead Shark

• Great White Shark

• Whale Shark

What unique feature do whale sharks have on their skin?

• Scales

• Spots

• Stripes

• Unique patterns like fingerprints

How do sharks' eyes help them see in dark environments?

• They have extra large pupils

• They emit light

• They have a reflective layer called a tapetum

• They have night vision goggles

What is the texture of a shark's skin similar to?

• Velvet

• Sandpaper

• Leather

• Silk

What is the primary function of a shark's electroreceptors?

• To communicate with other sharks

• To navigate long distances

• To sense temperature changes

• To detect light

How many teeth can some sharks go through in their lifetime?

• 10,000

• 1,000

• 50,000

• 100

What is tonic immobility in sharks?

• A mating ritual

• A state of rest

• A defense mechanism

• A feeding behavior

True or False: Sharks are naturally aggressive towards humans.

• False

• True

What role do sharks play in the ocean's ecosystem?

• They help maintain balance

• They are primary producers

• They are scavengers

• They are decomposers