Dinosaurs

Millions of years ago, long before there were any people walked the earths surface dinosaurs wer here, Thunder Lizards. Dinosaurs were one of many types of prehistoric reptiles. The largest dinosaurs were over 100 feet long and up to 50 feet tall. The smallest dinosaurs, like Compsognathus, were about the size of a chicken. Most dinosaurs were in-between. It is very difficult to figure out how the dinosaurs sounded, how they behaved, how they mated, what color they were, or even how to tell whether a fossil was male or female becouse the bones and rocky skin that is rarely fossilized cannot teel us the answers.We think that the were brown, green & grey to blend with the surrondings. We guess carnavors were feirce and so on but an not be possitive. There were lots of different "Thunder lizards" with different phenotype alleles, phisical traits. They probably had different Genotype alleles too, genetic traits. Some Phenotype traits may be... -Some walked on two legs -Some walked on four  -Some could do both, walk on two or four legs. -Some were speedy -Some were slow and lumbering -Some were armor-plated, some had    horns, crests, spikes, or frills. -Some had thick, bumpy skin -Some even had primitive feathers. How did these amazing beasts die out into extinction?

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