¿Qué es un pez?: diferentes tipos de peces

The video tutorial explores the diversity of fish, highlighting over 30,000 types. It explains how scientists classify fish into groups based on characteristics. Jawless fish, like lampreys, have suction cups instead of mouths. Cartilaginous fish, such as sharks, have skeletons made of cartilage. Bony fish, the most common type, have skeletons made of bone and inhabit both freshwater and saltwater environments.

How many different types of fish are there?

• More than 10,000

• More than 20,000

• More than 30,000

• More than 40,000

What is a unique feature of jawless fish?

• They live only in saltwater

• They have a skeleton made of bone

• They have a suction cup instead of a mouth

• They have a normal-looking mouth

Which group do sharks belong to?

• Cartilaginous fish

• Jawless fish

• Bony fish

• Amphibians

What material is a shark's skeleton made of?

• Metal

• Wood

• Bone

• Cartilage

What is the primary characteristic of bony fish?

• They have a skeleton made of cartilage

• They have a skeleton made of bone

• They have no skeleton

• They live only in freshwater