Unique characteristics

Mammals are unique because

• they feed their young with milk ONLY

• they have hair ONLY

• they reproduce by giving birth ONLY

• they feed their young with milk and have hair

• they reproduce by giving birth and feed their young with milk

Insects are unique because

• they have three body parts ONLY

• they have six legs ONLY

• they have feelers ONLY

• they have six legs, three body parts and feelers

• they have six legs and three body parts

Fish are unique because

• they live only in water

• they have fins and a tail

• they are cold-blooded

• Fishes are not unique :(

• they have scales

Birds are unique because

• birds are not unique :(

• birds are warm-blooded

• birds have feathers

• birds can fly

• birds lay eggs

Amphibians are unique because

• they have moist skin

• they just look cute

• they are slimy

• Amphibians are not unique :(

• they lay eggs in water

Reptiles are unique because

• Reptiles are not unique :(

• they are vertebrates

• they are cold-blooded

• they have scales

• they lay eggs