she only wants to see how long it takes to get a answer really i think
2007-01-21 02:13:27 · 9 answers · asked by L B 1 in Science & Mathematics ➔ Other - Science
They were around for about 180 million years, but most died out after the meteorite strike 65 million years ago.
2007-01-21 02:22:33 · answer #1 · answered by rookethorne 6 · 0⤊ 0⤋
Their feet shook the ground for nearly 200 million years - 40,000 times as long as recorded human history! But then suddenly they all mysteriously disappeared at the end of the Cretaceous Period about 65 million years ago. Why?
The source added is a website suitable for children, parents and teachers.
2007-01-21 11:04:55 · answer #2 · answered by Pebs 2 · 0⤊ 0⤋
Oldest discovered dinosaur skeleton was a 230my old Hererosaurus. They all died out 65my ago, so 230 - 65= 165my.
2007-01-22 09:48:21 · answer #3 · answered by Anonymous · 1⤊ 0⤋
About 160 million years but they died out about 65 million years ago
2007-01-21 10:20:11 · answer #4 · answered by CHRIS P 3 · 0⤊ 0⤋
Something amazing like 150 million years.
EXTRA: Yes, just looked it up because I'm interested too. It was 165 million years. Incredible or what??
2007-01-21 10:19:35 · answer #5 · answered by Kate 1 · 0⤊ 0⤋
well to put an actual number on it & without beating around the bush; i'd say Millions of Years!!
hope this helps
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2007-01-21 10:18:18 · answer #6 · answered by Anonymous · 0⤊ 0⤋
150 million years!
2007-01-22 11:49:37 · answer #7 · answered by Billy Butthead 7 · 0⤊ 0⤋
245 million years ago and lasted for 180 million years...hope this makes your daughter happy...
2007-01-21 10:19:03 · answer #8 · answered by robboknight 1 · 0⤊ 0⤋
lol i hope so
2007-01-21 10:16:35 · answer #9 · answered by funkygurl123 3 · 0⤊ 1⤋