Fish unit flashcard

Front

What is the taxonomic class of sharks?

Back

Chondrichthyes (cartilaginous fish)

Front

What organ do sharks use to maintain buoyancy?

Back

Oily liver

Front

Which geological period is known as the 'Age of Fishes'?

Back

Devonian Period

Front

What is the function of the lateral line in fish?

Back

The lateral line is a sensory organ that detects water movements and vibrations.

Front

What is the largest species of shark?

Back

Whale Shark

Front

What are the two main classes of fish?

Back

Chondrichthyes (cartilaginous fish) and Osteichthyes (bony fish)

Front

What is the primary difference between Chondrichthyes and Osteichthyes?

Back

Chondrichthyes have a skeleton made of cartilage, while Osteichthyes have a skeleton made of bone.

Front

What adaptation allows sharks to be efficient predators?

Back

Their streamlined body shape and sharp teeth.

Front

What is the role of cartilage in sharks?

Back

Cartilage provides flexibility and reduces weight, aiding in buoyancy.

Front

How do sharks reproduce?

Back

Sharks can reproduce through oviparity (laying eggs), viviparity (live birth), or ovoviviparity (eggs hatch inside the mother).