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it is due to natural variation and evolution. we all know that we are related to monkeys as we evolved from them. then cats are related to lions etc. Different species of dinosaur will have evolved from animals before them so are all different sizes like we are different sizes and have different features some physical like eye colour and others mental like personality. we are also different to other mammals. Genes can also cause a change in size and some dinosaurs are taller to reach plants on tall trees and some are smaller to hide from predators.
What else can I help you with?
How long were Dinosaurs bones?
All dinosaurs were different shapes and sizes. Try to be a bit more specific.
How many dinosaurs does it take to reach 2 thousand trillion tons?
What dinosaurs? They came in VERY different sizes.
What is the name of the animal living today that is bigger than any dinosaur?
Dinosaurs came in different sizes, just as animals today are different sizes. There can be many animals larger than SOME dinosaurs.
What is the size of a dinosaur?
There are many dinosaurs that have lived on Earth. To find out the sizes of most dinosaurs check on Wikipedia or what have you.
What is the size of a dinosaurs heart?
Soft tissue is rarely found in fossils, and no dinosaur hearts are known to have been preserved. Hence, we have to estimate the size, which depends on many unknowns. To complicate the matter further, different types of dinosaurs would have hearts of different sizes. Unfortunately, nobody knows the size of a dinosaur's heart.
How big are dlnosaurs?
Dinosaurs grew to different sizes depending on the species. Microraptor was only the size of a crow, whereas Argentinasaurus grew between 100-150 feet in length.
Did dinosaurs lay eggs when they were alive?
Yes. Here are 2 reasons: Reason 1- Dinosaur eggs came in different sizes. Reason 2- Dinosaur eggs came in different shapes, too. And that's all.
Did dinosaurs eat people?
No, Humans and Dinosaurs are in different time periods.
Were all dinosaurs big?
They are larger for the larger dinosaur species and smaller for the smaller ones (just as an ostrich egg is much much larger than a robin's egg).
Why are raindrops different sizes?
why are raindrops different sizes?
How many spiecies of dinosaurs are there?
There are about 2000 different species of dinosaurs http://www.dinosaurfact.net
What are the different types of dinosaurs?
Dinosaurs are usually large in size, the largest being 30 metres long, and they come in different looks and sizes. Dinosaurs are either herbivorous, carnivorous or omnivorous. Herbivorous dinosaurs are usually larger in size and have longer necks than the others as they evolved to scare carnivorous dinosaurs who are preying on them away. They usually live in herds. They have short and blunt teeth as they are sufficient for chewing on plants. They probably swallowed stones to aid them in their digestion. Carnivorous dinosaurs are large in size and the usually walk on their hinds. They have long and sharp teeth for killing their prey and ripping their flesh for food. Omnivorous dinosaurs are not as large as carnivorous dinosaurs. They usually walk on their hinds but they do not have specific kinds of teeth as they consume plants, animals and even eggs.
