Fish

The earliest fish in the oceans were:

• sponges

• corals

• jawless fish

• sharks

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

• moray eels

• lampreys

• hagfish

• stingrays

Which of the following are vertebrates?

• Fish

• Reptiles

• Amphibians

• Birds

• Mammals

Approximately how many species of fish are known?

• 2,000

• 10,000

• 30,000

• 50,000,000

Sharks, skates, and rays have bony skeletons.

• True

• False

What parasitic animal is pictured here?

• moray eel

• freshwater eel

• hagfish

• lamprey

Some fish have one or two of these fins located on their top/back closest to the spine:

• caudal fin

• pectoral fin

• dorsal fin

Match the following fins to their names

• dorsal fin

• 
• pectoral fin

• 
• caudal fin

• 

Fish are...

• Vertebrates
• Invertebrates

Most fish have what covering their bodies

• Scales

• Feathers

• Fur