Page 15 - science

The vertebrate groups

In this lesson you will sort vertebrate animals into
smaller groups. Key words

amphibian
bird
Think back
fish
How are vertebrates different from invertebrates? mammal

reptile

Vertebrates can be split into five smaller groups
called classes.

Science fact

Scientists identify large groups of animals by

splitting them into smaller groups. Each group is
called a class.

Young born live
Gills for breathing Lungs for Mammals and milk fed

breathing
Lay eggs

Fish Lungs for breathing
Live in water
Fur Feathers

Scaly skin Birds
Wings

Vertebrates Lay eggs

Lungs for breathing

Young live in water and

Dry skin Reptiles have gills for breathing

Lay eggs Amphibians
Adults breathe with Smooth
lungs or through the skin
Scaly skin skin

Adults live on land and in water Lay eggs in water
16
■ For more activities, go to Workbook 1 page 16.