Science _ animal around us

There are ... groups of vertebrates

Most amphibians have ... skin

... have feathers

... are animals without backbones

insects reproduce by ...

turtles, crocodiles, and snake are classified as ...

The ... helps fish to breathe in the water.

Giraffes, orang utan, bat, and dolphin are classified as ...

Flowerhorn, goldfish and gourami are classified as ...

Birds breathe with ...