#101-125 Bio II Review for FINAL EXAM

All fishes in the class Chondrichthyes are alike in the

• foods that they eat

• shape of their bodies.

• size and form of their teeth.

• composition of their skeletons

Which of the following is NOT a characteristic of most amphibians?

• They live on land as adults

• They breathe with lungs as adults

• They have moist skin that contains mucus-secreting glands.

• They have scales and claws.

Which feature distinguishes most fishes from most amphibians?

• a vertebral column

• scales

• living in water during at least part of the life cycle

• breathing with gills during at least part of the life cycle

The eggs of amphibians can dry out easily because they

• are very small.

• are usually laid on land.

• do not have shells.

• are always fertilized externally

Which of the following is an example of an invertebrate chordate?

• Lancelet

• shark

• salamander

• toad

How do fish breathe?

• lungs

• gills

• book gills

• eyes

Which animal breathes through gills early in its life and through lungs as an adult?

• Ray-finned fishes

• shark

• frog

• lamprey

All of the following are sub-groups of Chondrichthyes EXCEPT

• skates

• rays

• sharks

• tetras

What class do the cartilaginous fish belong to?

• Chondrichthyes

• Amphibia

• Osteichthyes

• Teleostei

What class do the amphibians belong to?

• Chondrichthyes

• Reptilia

• Amphibia

• Teleostei