Quiz - 12.4 Vertebrate Classification

Mammals have a bony ____ with a backbone and jaws, breathe only with ____, have four limbs and skin covered with hair or fur.

• exoskeleton , lungs

• endoskeleton , gills

• endoskeleton , lungs

• exoskeleton, gills

Tags

NGSS.MS-LS4-2

_____ have an outer covering of scales.

• Birds

• Mammals

• Amphibians

• Reptiles

Which of the following is NOT a major group of vertebrates?

• mollusks

• reptiles

• fishes

• amphibians

How many classes of vertebrates exist?

• 9

• 10

• 8

• 23

What is one distinguishing feature of mammals that is absent in other classes of vertebrates?

• they breathe only with lungs and have four limbs

• they have milk-producing glands

• they are endothermic

• they have a bony endoskeleton with a backbone and jaws

In hagfish, the cranium is present but the backbone is not.

• True

• False

Which is true concerning amphibian development?

• It includes an aquatic larval form.

• Newborns respire using gills.

• Adults respire using lungs.

• All of these

Mammal skins are covered with ____ or fur.

• feathers

• hair

• scales

• wool

The lobe-finned fish have a backbone and jaws, a bony endoskeleton, and thick, fleshy fins.

• True

• False

Tags

NGSS.MS-LS4-2

Birds are ectothermic.

• True

• False