3/27 - 14.1 Notes - Part 2

Front

What is the primary characteristic of skates and rays?

Back

Skates and rays are characterized by their flattened bodies and pectoral fins that are fused to their heads.

Front

What is a 'Mermaid’s Purse'?

Back

A 'Mermaid’s Purse' is an egg case in which skate embryos develop.

Front

What are spiracles in skates and rays?

Back

Spiracles are small openings located behind the eyes that allow skates and rays to breathe while buried in sand.

Front

How long ago did skates and rays evolve?

Back

Skates and rays evolved about 200 million years ago.

Front

What type of diet do skates and rays have?

Back

Skates and rays primarily eat fish and invertebrates.

Front

Where do sawfish typically inhabit?

Back

Sawfish typically inhabit the Gulf of Mexico.

Front

What is the difference between skates and rays?

Back

Skates generally have a more rounded body and lay eggs, while rays have a more pointed body and give live birth.

Front

What is the function of claspers in male skates and rays?

Back

Claspers are used by male skates and rays to transfer sperm to females during mating.

Front

What is the significance of the ventral side in skates and rays?

Back

The ventral side is where the mouth and gill slits are located, allowing for feeding and respiration.

Front

Are skates and rays considered fish?

Back

Yes, skates and rays are classified as cartilaginous fish.