FISH!!!! Practice

Front

Do lobe-finned fishes have jaws?

Back

Yes, lobe-finned fishes possess jaws.

Front

What does it mean for a fish to be ectothermic?

Back

It means their body temperature depends on their environment.

Front

Which class do sharks, rays, and skates belong to?

Back

Chondrichthyes.

Front

Do hagfish have a backbone?

Back

No, hagfish do not have a backbone.

Front

What is the most diverse group of vertebrates?

Back

Fish are the most diverse group of vertebrates.

Front

What are the main characteristics of Chondrichthyes?

Back

Chondrichthyes are characterized by a cartilaginous skeleton, gills, and paired fins.

Front

What is the difference between ectothermic and endothermic animals?

Back

Ectothermic animals depend on external sources for body heat, while endothermic animals regulate their body temperature internally.

Front

What adaptations do fish have for living in water?

Back

Fish have gills for breathing, fins for swimming, and streamlined bodies for efficient movement.

Front

What is the role of the swim bladder in bony fish?

Back

The swim bladder helps bony fish maintain buoyancy in water.

Front

How do fish reproduce?

Back

Most fish reproduce by laying eggs (oviparous), while some give birth to live young (viviparous).