Vertebrates II

They have thin, smooth skin

• Fish

• Birds

• Amphibians

They have a long body covered with scales

• fish

• birds

• amphibians

They have thin and light bodies with air spaces inside.

• fish

• birds

• amphibians

They have thin and light bodies with air spaces inside

• Fish

• Birds

• Amphibians

They can absorb oxygen from the water and pass it into the blood.

• Fish

• Birds

• Amphibians

Young have gills to breathe in the water. Adults grow lungs to breathe air on the land

• Fish

• Birds

• Amphibians