Classification of Animals

Which of these animals is a vertebrate?

• Spider

• Cat

An animal has fur and feeds milk to its young. How should this animal be classified?

• As a mammal

• As an invertebrate

Which statement is true about vertebrates?

• Most of the animals on Earth are vertebrates

• Vertebrates have backbones

Which of these is NOT a vertebrate?

• Grasshopper

• Salamander

How do scientists classify humans?

• As vertebrates and as mammals

• As invertebrates and as mammals

A student develops a model for grouping animals that she observes in a park.

What are MOST LIKELY the names of the animal groups?

• fish and reptiles

• fish and mammals

A student draws three animals.

Which characteristics can the student use to classify the animals?

• backbone, smooth skin, breathe with gills and lungs

• no backbone, live in water, lay eggs

A student sorts animals into groups. He draws the animals in one group.

Which animal should the student remove from this group?

• hawk

• mouse

Which features can a scientist use to identify an amphibian? Select 3

• has a backbone

• has no backbone

• has smooth, moist skin

• has scales or plates on skin

• breathes first with gills and then with lungs

Tags

NGSS.4-LS1-1

A student finds the following animals in his garden: frog, snake, snail, and lizard.

He classifies the snail in one group and the other animals in a second group.

Which are the student's groups?

• animals with gills, animals with lungs

• invertebrates, vertebrates