Ch 16 Test - Fishes, Amphibians, and Reptiles

Most bony fishes have an organ called a _______, which allows a fish to stabilize its body at different depths.

• swim bladder
• two-chambered heart
• gill
• notochord

Structures that help fish move are called _______ and typically consist of a thin membrane stretched across bony supports.

• fins
• vertebrae
• a swim bladder
• heart chambers

An ectotherm's body temperature changes depending on the temperature of its environment.

• True
• False

Most fishes are ____________.

• jawless
• cartilaginous
• bony
• goldfish

A(n) _____________fish has no hinged structure that enables it to open and close its mouth.

• jawless
• cartilaginous
• bony
• goldfish

Tags

NGSS.MS-LS4-2

What type of fish is a lamprey?

• a bony fish
• a jawless fish
• a cartilaginous fish
• an endothermic fish

Which of the following fishes has a skeleton made of hard bone?

• a shark
• a ray
• a goldfish
• a hagfish

Fishes take in oxygen through their

• fins.
• gills.
• scales.
• vertebrae.

At some point in their lives, all chordates have a flexible supporting rod in their backs called a 

• notochord
• gill
• nerve cord
• backbone

Tags

NGSS.MS-LS4-2

Which of the following is NOT a group of fishes?

• Jawless

• Cartilaginous

• Bony

• Porifera