pisces

Hard plate that covers and protects the gills is the ____

• operculum 
• pharynx 
• placoid scales 
• swim bladder

The swim bladder is used by bony fish to....

• breath.

• locate prey

• change its buoyancy.

• avoid prey.

What Phylum are fish a part of?

• Pisces

• Agnatha

• Chordata

• Osteichthyes

Fish hearts have _____ chambers

• 2

• 4

• 6

• 1

This structure is used to detect vibrations in the water.

• olfactory sacs

• scales

• lateral line

• Fins

The most ancestral of the fish do not have jaws. They are in the group _________________________.

• Chondrichthyes

• Osteichthyes

• Pisces

• Agnatha

Cartilaginous fishes that include sharks, skates, and rays

• Superclass Agnatha

• Class Osteichthyes

• Class Chondrichthyes

• Class Cyclostomata

Jawless fish that have a circular mouth that is continuously open; many are ecto-parasitic;

• hagfish

• lampreys

• Labeo

• Shark

Cycloid scales are thin, flexible and overlapping. What type of fish has them?

• Jawless

• Cartilaginous

• Bony

• cyclostomes

Fish scales that are small and tooth-like; found on sharks and rays; reduce water drag

• placoid scales
• ctenoid scales
• cosmoid scales
• cycloid scales

Tags

NGSS.HS-LS4-4