DINOSAURS

Subject: DINOSAURS Fri Jul 02, 2010 12:09 pm

DINOSAURS

The term dinosaur (terrible lizard)
was coined by the English anatomist Sir Richard Owen in 1842.

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Dinosaurs
were reptiles and most dinosaurs hatched from eggs. Amazingly blue
whales are bigger than any dinosaur found so far. The largest dinosaurs
were over 100 feet long and up to 50 feet tall. The smallest dinosaurs,
were about the size of a chicken.

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Most dinosaurs were plant-eaters
(herbivores) about 65% of them. Some dinosaurs were meat-eaters
(carnivores). Dinosaurs had many different distinguishing features that
you can read more about when reading facts on each dinosaur.

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No one really
knows exactly how many dinosaur species exist. The estimates vary from
between 250 to over 1300 species.

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Did You Know:

Dinosaurs lived and evolved for over 185
million years until they became extinct. The cause has not been proven
yet, but many believe that an asteroid Over 9 miles wide hit the earth
In the Gulf of Mexico.