Fish Anatomy Quiz

What is the purpose of the streamlined bodies and muscular tails in fish?

• To increase friction while swimming

• To help them float

• To reduce friction when swimming

• To store lipids

What do most fish use for moving?

• Gills

• Paired fins

• Scales

• Lipids

What covers the body of a fish to reduce friction when swimming?

• Mucus layer only

• Protective scales only

• Protective scales and mucus layer

• Lipids

Why do fish have less dense body tissues and store lipids?

• To help them breathe through gills

• To help them float

• To increase body density

• To move with paired fins

How do fish breathe (respire)?

• Through paired fins

• Through scales

• Through gills

• Through lipids

Where do hagfish live?

• Freshwater

• Marine and freshwater

• Ocean

• On land

What type of environment do lamprey live in?

• Ocean

• Freshwater

• Marine and freshwater

• On land

What is a characteristic feature of the mouth of hagfish and lamprey?

• Beak-like mouth

• Circular mouth

• Small mouth with no teeth

• Large mouth with flat teeth

What do hagfish and lamprey use to feed on their prey?

• Suction cups

• Sharp teeth and strong rasp-like tongues

• Beaks

• Filter feeding mechanism

What type of skeleton do the organisms described in the list have?

• Bone

• Cartilage

• Exoskeleton

• Endoskeleton