Hello friends in this article you are going to read about mammals.
1. The present day mammals are evolved from reptiles.
2. Around 200 million years ago reptiles ruled the Earth.
3. This era of reptiles was known as Mesozoic era.
4. Then some reptiles changed they begin to grew hairs and became warm blooded, instead of laying eggs they waited till the egg hatches and then lay it.
5. The first mammals were very small and timid creatures.
6. These mammals were nocturnal, small, warm blooded and ate mainly insects.
7. Around 3 million years ago during ice-age many species of mammals became extinct.
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1. The present day mammals are evolved from reptiles.
2. Around 200 million years ago reptiles ruled the Earth.
3. This era of reptiles was known as Mesozoic era.
4. Then some reptiles changed they begin to grew hairs and became warm blooded, instead of laying eggs they waited till the egg hatches and then lay it.
5. The first mammals were very small and timid creatures.
6. These mammals were nocturnal, small, warm blooded and ate mainly insects.
7. Around 3 million years ago during ice-age many species of mammals became extinct.
Thanks for reading, share this article. Kindly subscribe this blog.
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