Question

1. What are the differences between mammals, amphibians and reptiles?
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Answer 1

Explanation:

Amphibians:which animals that can leave in both land and water

Mammals:warm-blooded animal (as a dog, mouse, bear, whale, or human being) with a backbone that feeds its young with milk produced by the mother and has skin usually more or less covered with hair.

reptiles:They are distinguished by having a dry scaly skin and typically laying soft-shelled eggs on land.

Answer 2

Answer:

MAMMALS

• Mammals first appeared about 225 million years ago.
• They are warm blooded.
• Live on land or water.
• Give birth to babies

AMPHIBIANS

• They first evolved about 370 million years ago.
• They are cold blooded
• They live in water as well as on land. They breathe with the help of gills, lungs, the lining if the mouth or a combination of these.
• Offsprings hatch from eggs.

REPTILES

• First evolved 315 million years ago.
• They are cold blooded. Body temp. depends on the environment.
• Live on land as well as water. Most of the reptiles breathe through lungs.
• Offsprings hatch from eggs.