Fish use these in order to breathe underwater.

• Gills

• Lungs

• Scales

Which animal group spends its entire life in water?

• Fish

• Reptiles

• Amphibians

Which animal group has smooth, moist, slimy skin?

• Reptiles

• Birds

• Amphibians

Animals that begin their life in the water and later live on land are called...

• Birds

• Amphibians

• Mammals

• Reptiles

Salamanders and toads are examples of _________________.

• Fish

• Amphibians

• Reptiles

• Birds

Amphibians go through a transformation called

• morpholisis

• metamorphosis

• metalmorphosis

• incomplete life cycle

Which of the following is a characteristic of MOST amphibians?

• they have poisonous glands

• they begin life as aquatic organisms

• they breathe with gills throughout life

• they have dry, scaly skin

Fish and amphibians are

• vertebrates

• invertebrates

Fish and amphibians are

• warm-blooded

• cold-blooded

Fish and amphibians

• can live in water

• can live both in water and on land