Natural History Museum Video Quiz

Why do fish engage in scratching behavior?

• To communicate with other fish

• To exfoliate and remove parasites

• To find food

• To hide from predators

What unique feature of shark skin makes it suitable for fish to scratch against?

• Its smooth surface in all directions

• Its ability to change color

• The presence of dermal denticles

• Its slippery texture

How did humans historically utilize dogfish skin?

• To make clothing

• As a food source

• As a fishing bait

• To scrub boat decks

What behavior have tuna been observed doing in relation to sharks?

• Avoiding them at all costs

• Following them for protection

• Lining up to scratch against them

• Competing with them for food

What does the woman in glasses encourage viewers to do at the end of the video?

• Watch more videos and subscribe

• Adopt a shark

• Visit the Natural History Museum

• Donate to marine research