Why were dinosaurs so massive in size?

Let’s learn why were dinosaurs so massive in size. The most accurate or helpful solution is served by news.discovery.com.

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Why Dinosaurs Were So Huge : Discovery News

Why Dinosaurs Were So Huge. Jan 31, ... "One should notice that the heads of dinosaurs related to the size of the bodies were very small, ...

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Did small mammals and small reptiles grow in size to different degrees after the dinosaurs died off? Why?

Did small mammals grow in size after the dinosaurs died off? Did small reptiles grow in size as well? If the answers to these questions are different why is that the case?

Answer:

Small reptiles were not well adapted to be large land animals.  Dinosaurs probably had specific adaptations...

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Gwydion Madawc Williams at Quora Mark as irrelevant Undo

Why did giant dinosaurs like the Amphicoelias evolve such long necks and such a large size?

I mean the neck didnt always grow tall or upwards like a giraffes to reach the tree tops they just grew very very long almost horizontally!?

Answer:

Good question. Some paleontologists do believe that sauropods stood upright on their hindlegs, and use...

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OEFKKI3PO7WZVUY4ASOX7NHBL4 at Yahoo! Answers Mark as irrelevant Undo

Was the size of the dinosaurs down to maybe lower atmospheric pressure?

as we don`t have any animals even close to the size of some of the dinosaurs(elephants and whales are fairly large but not on the same scale) maybe the atmosphere back then...newly ...show more

Answer:

The size was probably more down to the warmer tropical conditions enabling more food to be available...

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A dinosaurs brain is the size of a peanut, but how can they prove they were stupid?

Just cause the brain is small does not mean it's stupid. We use 10% of our brain, how big does that make the used area, like a plum. Point 2: Parrots and Cockatoos, their brain is very small, but these animals are capable of imitating speech. Third point...

Answer:

Do I have the site for you!!! Before I give you the web address, let me give you some background. In...

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What were the factors that have stopped insects from growing to an equivalent size as dinosaurs & mammals?

Thinking more towards large dinosaurs, and large mammals like lions & bears.

Answer:

Some insects are as large or larger than some mammals are today.  Several kinds of beetles, cicadas...

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Answer:

Josephoartigasia magna was a giant prehistoric rodent. J. magna is known form Pliocene age fossils teeth...

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Answer:

big

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Answer:

Stegosaurus had a brain the size of a walnut, but many carnivores had bigger brains necessary for better...

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