Birds and Fish!
So they can feed their young.
No, a cod does not give its young milk. Only mammals give milk to their young, and the cod is a fish.
Yes. Mammals are the only animals that feeds milk to their young.
No, they do not. Amphibians lay eggs in water. The eggs give the embryos all the nutrition they need until they hatch. After that, they're on their own and live on small insects. No. Only mammals feed their young milk.
The three main types of animals are vertebrates (animals with a backbone), invertebrates (animals without a backbone), and mammals (animals that have hair or fur, produce milk for their young, and give birth to live young).
Amphibians lay eggs and do not produce milk. Animals give birth to their young and produce milk. Those are the main differences.
Yes, bats are mammals and feed their young milk.
Crocodiles do not give milk, meat or eggs.
Milk
no
They produce milk for their young, give live birth, and have a diaphrgam. Those are the 3 main things.
the mammals are a group of animals that give live birth, feed their young with milk, are warm-blooded, and have hair or fur