What were the first mammals like

2 answers:

jeka943 years ago

7 0

Mammals evolved during the Triassic period. I believe the first mammal was like a tiny shrew-like animals. They called it the Eutherian. But the actually mammals were the dinosaurs.

Marina86 [1]3 years ago

5 0

Mammals enrolled during the Triassic period about the same time that the first dinosaurs appeared the first placental mammals appeared at the beginning of the Cretaceous period the earliest mammals were tiny sure like mammals

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