Yes. The large reduction in dinosaur and other life around 240 million years ago was helpful but not the deciding factor in the eventual rise of small, land-based mammals.
2007-12-08 22:04:17
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answer #1
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answered by Bart S 7
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No, we would not exist.
We are the current end product of all history up to this point, including each mass extinction event, such as happened 65 million years ago due to an asteroid impact. If this had not happened, then the chances are, dinosaurs would have lasted much longer, as they had survived 400 million years to that point, there was no other reason for them to become extinct at that time. Mammals would not have achieved ascendancy without that asteroid impact, which lead to the eventual removal of the competition of dinosaurs. Evolution would have likely resulted in different animals becoming dominant.
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2007-12-09 07:16:58
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answer #2
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answered by Labsci 7
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In the past, if the dinosaurs still live, human still slowly formed through time, then could have also used their brains to make dinosaurs become extinct later.
2007-12-09 05:56:00
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answer #3
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answered by Nai 4
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i think so but we will be the one that will reach extinction because we can be their preys... but some dinosaurs are not flesh-eaters.... so be thankful that they are already extinct in the sense that if not, our world right now will still look like an era of theirs.
2007-12-09 05:55:54
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answer #4
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answered by kim 2
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It depends on the education level and is religion extreme rituals on a certain group above the law and the country. It also depend on the power of certain religion and power of religious militants against smaller neutal community and freedom of speech and freedom of race expressions human rights on freedom of believe, career, peace to all races without segregating religion or skin colour but like human beings without treating other skin colour as you foods because you have extreme ritual/extreme religious power above all arm forces.
2007-12-09 05:53:21
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answer #5
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answered by varsitythoo@yahoo.co.uk 2
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i think it's the wrong question
technically, dinosaurs became extinct becouse of humans
2007-12-09 05:46:48
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answer #6
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answered by GD $ingh 1
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yes but we would be living like mice.
2007-12-09 05:47:03
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answer #7
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answered by doc 2
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