T-Rex Growth Spurt - How To Build A Dinosaur - BBC
Dr. Alice Roberts views the completed T-Rex exhibition. The three different T-Rex's, all different ages, highlight the growth spurts of the species. Subscribe to BBC Earth: http://www.youtube.com/subscription_center?add_user=BBCEarth BBC Earth YouTube Channel: http://www.youtube.com/BBCEarth BBC Earth Facebook http://www.facebook.com/bbcearth (ex-UK only) BBC Earth Twitter http://www.twitter. ...
登録:2014/01/23 23:09:15
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