This depends on the species. I recall reading that the Tyrannosaurus rex had it's largest growth spurts as a teenager, reaching its maximum size at approximately 20 years.
1 Answers · Science & Mathematics · 14/01/2008
...39;s gigantic 23 foot(7m) wing span, doubtful it could rise off ground with a full size person. http://en. wikipedia .org/wiki/Argentavis_magnificens
6 Answers · Science & Mathematics · 18/03/2013
...a grass spider, genus Agelenopsis. http://en. wikipedia .org/wiki/Agelenopsis http://bugguide.net/node/view...the long spinnerets. If you look at the full size , you can see this point comming out of the back of the spider...
5 Answers · Science & Mathematics · 26/08/2009
looks like a daddy long legs spider. what part of the world is this picture taken though? P.S A harvestman and daddy long legs spider are different species. a harvestman is just like a blob on legs with eyes on the side and a daddy...
2 Answers · Science & Mathematics · 03/05/2011