Sharks

1. What are shark skeletons made of?

• A. Hard rock
• B. Calcium like humans
• C. Flexible cartilage
• D. Stiff muscle

2. What is the primary role of a shark in the ocean?

• A. To hunt humans for food
• B. To act as a top-tier predator keeping the ecosystem healthy
• C. To protect coral reefs from pollution
• D. To keep water flowing so other fish drink

3. Why would a shark bite a human, according to the research?

• A. It wants to eat a person for dinner
• B. It is acting out of malice or revenge
• C. It is a case of mistaken identity
• D. It is guarding its territory from intruders

4. How old are the oldest shark ancestors?

• A. Over 400 million years old
• B. About 1 million years old
• C. They appeared with the first humans
• D. Around 50 million years old

1. What is the function of a shark's 'lateral line'?

• A. To help the shark see in bright sunlight
• B. To detect vibrations from moving prey in the water
• C. To communicate with other sharks
• D. To filter salt out of the ocean water

2. What does 'anthropomorphism' mean regarding sharks?

• A. The scientific way to measure shark speed
• B. A type of shark that lives in the deep sea
• C. Giving sharks human-like feelings like evil intent or revenge
• D. The way sharks adapt to low-light conditions

3. Why are humans actually dangerous to sharks?

• A. Humans pollute the water with sound
• B. Humans kill millions of sharks annually for their fins or through fishing
• C. Humans are the main predator of sharks in the wild
• D. Humans destroy shark breeding grounds by building beaches

4. If you are comparing a shark to a dog, what is the best lesson to learn?

• A. Both animals always want to attack humans
• B. Like a dog eating, a shark might react if startled or confused
• C. Both animals should never be approached in the wild
• D. Dogs and sharks have the same diet