Pre-Assessment: Sharks

Front

How much of a shark's brain is dedicated to the sense of smell?

Back

2/3rds of a shark's brain is dedicated to the sense of smell.

Front

Do all sharks have the same size teeth?

Back

No, sharks have different sizes and shapes of teeth depending on their species and diet.

Front

What is the function of the spiracle in sharks?

Back

The spiracle pumps water to the gills, allowing sharks to breathe while at rest.

Front

What group of fish do sharks belong to?

Back

Sharks belong to the group of fish called Chondrichthyes.

Front

What are the skeletons of sharks and rays made of?

Back

The skeletons of sharks and rays are made of cartilage.

Front

What is the primary sense that sharks rely on for hunting?

Back

Sharks primarily rely on their sense of smell for hunting.

Front

What is the Ampulla of Lorenzini?

Back

The Ampulla of Lorenzini is an organ that allows sharks to detect electrical fields in the water.

Front

What is the role of the pit organ in sharks?

Back

The pit organ helps sharks with hearing and balance.

Front

How do sharks maintain buoyancy in water?

Back

Sharks maintain buoyancy through their large livers filled with oil.

Front

What is the difference between Chondrichthyes and Osteichthyes?

Back

Chondrichthyes have cartilage skeletons, while Osteichthyes have bony skeletons.