Fish Review

The

flap of tissue that covers the gill of a fish is called a(n) ________.

• Gill cover

• Fleshy membrane

• Operculum

• Gill

  filaments

Openings on a sharks head that aid in breathing are _________.

• blow holes

• air holes

• breathing slits

• gills slits

The _________ runs down the length of the body of a fish and is a sensory organ.

• lateral line

• longitudinal line

• sensory nerve

• sensory line

Bony fish maintain neutral buoyancy in the water with their ______.

• liver

• swim bladder

• pectoral fins

• caudal fins

Which of the following is a cartilaginous fish?

• salmom

• whale

• eel

• ray

A Sea Horse is a _________.

• bony fish

• carilaginous fish

• jawless fish

• not a fish at all

The scientific name for fish that have a bony skeleton is ________.

• Chondrichthyes

• Agnathas

• Osteichthyes

• Cetaceans

Which of the following is a jawless fish?

• eel

• sting ray

• limpet

• hagfish

All of the fish belonging to the Class Chondrichthyes have a skeleton made of ___.

• Cartilage

• Bone

• Cartilage and Bone

• none of the above

A fish has a ________ chambered heart.

• four

• three

• two

• one