Classification of Animals

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

• As an invertebrate

• As an amphibian

• As a mammal

• As a reptile

Which statement is true about vertebrates?

• Vertebrates do not have a backbone

• Most of the animals on Earth are vertebrates

• Vertebrates have backbones

• Vertebrates only live on land

How do scientists classify humans?

• As vertebrates and as amphibians

• As invertebrates and as mammals

• As vertebrates and as mammals

• As vascular 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

• reptiles and birds

• fish and mammals

• reptiles and amphibians

Tags

NGSS.MS-LS4-2

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

Which animal is a bird?
Animal 1: backbone/feathers/warm-blooded
Animal 2: backbone/scales/gills/cold-blooded
Animal 3: cold-blooded
Animal 4: backbone/hair

• Animal 1
• Animal 2
• Animal 3
• Animal 4

In which animal group are humans classified?

• birds

• amphibians

• mammals

• reptiles

Tags

NGSS.MS-LS4-1

Which one of these organisms is a reptile?

• Hawk

• Grasshopper

• Mushroom

• Crocodile

• Reptiles

• Invertebrates

• Amphibians

• Mammals

Tags

NGSS.MS-LS4-2

Scientists classify animals by their...

• Color
• Size
• Characteristics
• Sound