Lesson 2 - Diversity of Today's Fishes

Lesson 2

Diversity of Today's Fishes

Multiple Select

Which of the following are classes of fishes based on their body structure?

(Choose all that apply)

• Jawless fishes

• Cartilaginous fishes

• Bony fishes

• Elastic fishes

Multiple Choice

____ are jawless fishes that lack paired fins or a bony skeleton.

• Sharks

• Lampreys

• Skates

• Coelacanths

Multiple Select

Jawless fish include which of the following? Check all that apply:

• moray eels

• lampreys

• hagfish

• stingrays

Multiple Choice

True or False: All cartilaginous fishes have skeletons made of cartilage.

• True

• False

Multiple Choice

The fins of ____ fishes have muscular lobes and joints similar to land vertebrates.

• coelacanth

• ray-finned

• tetrapod

• lobe-finned

Multiple Choice

What did the first jawless fishes feed on?

• minnows

• organic matter

• small turtles

• shrimp

Multiple Choice

Why is the Devonian Period referred to as the Age of Fishes?

• Evolutionary adaptations occurred in fishes.

• Fishes became extinct.

• Evolutionary adaptations stopped in fishes.

• No other lifeforms existed besides fishes.

Multiple Choice

Which of the following can interfere with the migratioin of fish?

• Bridges

• Fishermen

• Dams

• Coral Reefs