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Not at all. The first true mammals appeared around 200 million years ago, after evolving from synapsids, which evolved from early amniotes. Animals have existed for much longer than that; some primitive animals may have existed almost 2 billion years ago.
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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.
What was the first dinosaurs species to exist on the planet?
t rex
Do gods similar to Zeus exist?
There is no proof that Zeus exist. I do agree with the first answer that there is no proof that he exists but in Roman times Zeus was Jupiter. (he was not named after the planet, the planet was named after him.)
How were the first people on the planet?
nor plants or animals. bacteria came first
What are the release dates for The Planet's Funniest Animals - 1999 Love at First Bite?
The Planet's Funniest Animals - 1999 Love at First Bite was released on: USA: 9 February 2007
What group of animals came before the amphibians?
The major croup that came before animals arrived on this planet would be the Dinosaur group these animals were first on the planet known to man.
When did small furry animals appear?
The first mammals appeared during the Cretaceous Period.
When did mammals become land animals?
Mammals originated as land animals. Reptiles were the first vetebrates to have hard-shelled eggs and spend most of their time on land. Reptiles evolved into modern reptiles, mammals, and birds. Some mammals, since then, have moved partially or completely back into water.
What kind of animals lived in Paleozioc?
the paleozioc was the age of dinosaurs. the first small mammals first appeared in this time
Who was first on planet earth?
First on Planet EarthChristians believe that Adam and then Eve were the first on earth. They believe that God created the earth, and then the animals, then Adam followed by Eve.
What has the author G D Thurman written?
G. D. Thurman has written: 'First aid for stranded marine mammals' -- subject(s): Marine mammals, First aid for animals
Which single-celled organism is most closely related to the first cell to exist on your planet?
archarea
