Why were dinosaurs so huge?
dinosaurs were huge for several reasons. The first is that they were warm-blooded. That means their body temperature could fluctuate with the environment and their food needs, so they could be warm-blooded or cold-blooded. Being warm-blooded allowed dinosaurs to regulate their body temperature better and to move more quickly than cold-blooded animals. This made it easier for them to catch their prey.
Why was dinosaur so big?
The size of dinosaurs was related to the amount of food available in their environment. As food became more abundant, larger species could grow to fill a niche. When the dinosaurs of North America were wiped out 65 million years ago, there were no predators large enough to drive those species extinct. The remaining dinosaurs were free to grow to be giants.
Why were dinosaurs so big?
Dinosaurs were part of the first great age of reptiles, which lasted from about 320 to 250 million years ago. The major groups of dinosaurs first appeared during this period. Although the first dinosaurs were small, they rapidly evolved to become the enormous giants of the late Cretaceous.
Why are dinosaurs so big?
Most dinosaurs were around the same size as a large cow or a small car, and some were even smaller than a chicken. Dinosaurs are sometimes portrayed as giants or monsters, but this idea is based on a misconception: Dinosaurs were not very similar to modern animals, so it’s not surprising that their physical appearance would not look like those of other animals. Dinosaurs did not have legs, arms, or other limbs. Instead, they had long, spindly arms and legs that
Why are dinosaurs so big? What happened?
Dinosaurs were the dominant terrestrial animals of the Mesozoic era, a span of time about 252 to 66 million years ago. During this time, almost all of the world’s terrestrial species were wiped out. Even before the dinosaurs were wiped out, they had been around for about 100 million years. It’s likely that the first dinosaurs were small, about three to four feet long, and about the size of a chicken. Over time, most dinosaur species evolved into giants. The