dianosaurs live in what ERA?? thanks 4 the help?

Answer 1

Mesozoic Era

The Mesozoic Era lasted more than 180 million years. During this time, many modern forms of plants, invertebrates, and fishes evolved. On land, dinosaurs were the dominant animals, while the oceans were populated by large marine reptiles, and Pterosaurs ruled the air. For most of this period, the climate worldwide was warm and tropical, and shallow seas covered low-lying landmasses. At the beginning of the Mesozoic, all of the world's continents were joined into the supercontinent of Pangea, which rifted into Laurasia in the north and Gondwanaland in the south. By the end of the era most of continents had separated into their present form.

The Mesozoic Era is divided into three periods, each lasting many millions of years: the Triassic, Jurassic, and Cretaceous. The Triassic saw the emergence of many modern invertebrate groups, and on land the archosaur reptiles replaced the therapsids. In the oceans Ichthyosaurs such as Shonisaurus became as large as whales. The Jurassic was the height of the dinosaur era, with giants such as Brachiosaurus, Stegosaurus, etc, and mammals tiny and shrew-like. Distinctive plants like ferns, Cycads, Bennettitales, and Cheirolepidiaceae conifers characterized the landscape. During the Cretaceous period, the first flowering plants appeared, birds and fish diversified, and new types of dinosaurs appeared. The climate cooled and unique dinosaurs evolved on different continents.

Interesting reading here:
http://www.palaeos.com/Mesozoic/Mesozoic.htm
~

Answer 2

Although many people believe that Dinosaurs first came to be in the Jurassic period, that is kind of true and not exactly.

To explain, "The Mesozoic Era was the time from 248 million to 65 million years ago. Here, the Earth was very different than it is now. The climate was warmer, the seasons were very mild, the sea level was higher, and there was no polar ice. Even the shape of the continents on Earth was different; the continents were jammed together at the beginning of the Mesozoic Era, forming the supercontinent of Pangaea, but would start breaking apart toward the middle of the Mesozoic Era.
Toward the beginning of the Mesozoic Era there was a depleted ecosystem world-wide. Many of the old life forms had just gone extinct in the Permian Extinction, the world's largest mass extinction. This depleted state was followed by an explosion of new life forms, which included the dinosaurs and mammals, and later in the Mesozoic, the birds and flowering plants"

Now to the Jurassic Period. On the timeline, the Mesozoic period includes three smaller periods. The TRIASSIC - from 248 to 206 million years ago, The JURASSIC - from 206 to 144 million years ago and The CRETACEOUS - from 144 to 65 million years ago.

It is from this time, 65 million years ago, that Dinosaurs became extinct and that the CENOZOIC Period began until today's place in time. Now, when people evolved.

Interesting isn't it?

Answer 3

Dinosaurs or definition of thereof began to appear after the huge extinction at the end of the Cambrian Era at the beginning of the Mesozoic Era, Triassic Period. The Triassic, Jurrassic, and Cretaceous period made up the Mesozoic Era. Dinosaurs increasingly became bigger and bigger as the 180 million year Era came to a close. The Mesozoic Era ends with the cataclysmic extinction that occurred at the end of the Cretaceous Period. This extinction is the generalized time where dinosaurs became extinct as well. The extinction of the dinosaurs comes as a mystery itself, but the Era in which most scientists agree as the age of the dinosaurs was the Mesozoic Era.

Answer 4

Mesozoic, secondary area and especially in Jurassic

Answer 5

Think Jurassic park-the movie.