Comments on: Prehistoric giants http://www.letterneversent.com/prehistoric-giants/2169/ Tell me when to go. Thu, 02 Feb 2012 11:46:00 +0000 hourly 1 http://wordpress.org/?v=3.3.1 By: Kent http://www.letterneversent.com/prehistoric-giants/2169/comment-page-1/#comment-92031 Kent Thu, 21 Jun 2007 09:46:37 +0000 http://www.letterneversent.com/index.php/archives/2007/04/24/prehistoric-giants/#comment-92031 This program purports to answer you: http://www.bbc.co.uk/radio4/science/thematerialworld_20040212.shtml The whole discussion is on suggested evolutionary pressures which drove the appearance of the sauropods and the associated large carnivores. The reason why similar pressures haven't developed in the Cenozoic, however, isn't explicitly addressed. Indeed, isn't there a similar proliferation of large animals today? Elephants are rougly the same size as a T-rex, and blue whales are bigger than the sauropods. This program purports to answer you:

http://www.bbc.co.uk/radio4/science/thematerialworld_20040212.shtml

The whole discussion is on suggested evolutionary pressures which drove the appearance of the sauropods and the associated large carnivores. The reason why similar pressures haven’t developed in the Cenozoic, however, isn’t explicitly addressed.

Indeed, isn’t there a similar proliferation of large animals today? Elephants are rougly the same size as a T-rex, and blue whales are bigger than the sauropods.

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