Grade 7 Unit 7 Lesson 1

What does the picture show?

• fur

• fin

• gills

• scales

What does the picture show?

• fur

• fin

• gills

• scales

What does the picture show?

• gills

• fin

• fur

• scales

What does the picture show?

• fur

• fin

• scales

• gills

Birds have ................. to keep warm.

• fin

• fur

• scales

• feathers

Mammals usually don't lay ................. .

• gills

• eggs

• fins

• feathers

Reptiles have special skin that has .................... .

• fur

• feathers

• scales

• gills

Fish use ................. to help them breathe.

• feathers

• gills

• scales

• fur

What does this picture show?

• gills

• feathers

• scales

• fur