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What mammals appear on planet earth?
Many mammals appear on planet earth. Here are some of them:oxhumanpigmonkeycatdogfoxwolfantelopeelephantpolar bearhorse
How old was the earth when the first mammals appeared?
250 b.c. .
In general the first mammals of any group to appear in the fossil record?
resembled dogs and cats
When did the first mammals walk the earth?
A very long time ago.
What kind of mammals were on earth during dinosaur ages?
During the end of the Triassic period, the first mammals evolved from therapsids, or mammal like reptiles. Some of these mammals were the Purgatorius, a tiny rodent like creature, and the Castorocauda, which had beaver like characteristics.
When did mammals first appear on earth by paleontologists?
Mammals first appear in the fossil record of the Mesozoic Era.
Is it true that the first mammals appeared on Earth at about the same time as the first terrestrial plants?
No. The first land plants were on the planet 0.475 billion years ago. The first mammals were on the planet around 160 million years.
Which lived on earth longer mammals or dinosaurs?
Mammals.
What were the first type of creatures on Earth insect mammals birds or fish?
The answer to this question is fish as fishes were the first invertbrates to evolve.
What are some of the smallest mammals in the world?
There are a myriad of mammals on the planet Earth. Some are so small, they are not even bigger than a pinky. These include: Etruscan shrew, Jerboas, and the Bumblebee bat.
Who has lived longer on earth so far dinosaurs or mammals?
Mammals and dinosaurs started about the same time and mammals are still here, so ... Mammals! (Unless you count birds as dinosaurs, in which case it's a tie). One of the mysteries of evolution is why the dinosaurs came to dominate the mammals in the first place.
How old was the earth when the first mammals appeared how long ago was this?
The first true mammals appeared in the early Jurassic, about 200-180 million years ago. The Earth is approximately 4.54 million years old today, so it would have been about 4.34-4.36 billion years old at that point.
