It was an asteroid that came to earth two billions years ago and scientists says that there might be another one coming.so we might live in space for a couple of months or years. so that why the dinosaur die.
when a rock falls from outer space all the way to the ground it is called a meteorite.
It tells you that they descended from a common ancestor.
Answer:
the animals
Explanation:
the difference between animal life in the Mesozoic Era and the early Cenozoic Era is that in the Mesozoic Era the reptiles were dominate and in the Cenozoic Era the mammals were dominate.
