Unit 7- Fish and Amphibians

Which of the following is NOT a trait that all chordates have in common?

• vertebrae

• pharyngeal gill slits

• notochord

• dorsal nerve cord

How do fish detect changes in water current and movement in water?

• Eustachian tubes

• lateral line

• swim bladder

• tympanic membrane

In vertebrates, the notochord evolved into

• cartilage

• gill slits

• a nerve cord

• vertebrae

Which statement is correct?

• All chordates are vertebrates

• All chordates are fish

• All vertebrates are chordates

• All chordates are invertebrates

What is a benefit of the swim bladder?

• it aerates the gills

• it is a source of oxygen

• it is a useful storage for waste

• it controls buoyancy

How many chambers does a fish heart have?

• 1

• 2

• 3

• 4

Sharks, skates, and Rays are all in the class:

• Agnatha

• Osteichthyes

• Chondrichthyes

• Amphibia

Bony fish like perch are in the class:

• Petromyzontida

• Chondrichthyes

• Actinopterygii

• Sarcopterygii

Fish have many scale types. This is NOT one of them:

• ctenoid

• ganoid

• cycloid

• fanoid

Osmoregulation is carried out by what organ in fish

• Kidney and swim bladder

• gills and pancreas

• kidney and gills

• pancreas and kidney