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Tetrapod Evolution 2of5

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Uploaded by on Nov 3, 2008

Tetrapods are vertebrate animals having four feet, legs or leglike appendages. Amphibians, reptiles, dinosaurs/birds, and mammals are all tetrapods, and even the limbless snakes and whales are tetrapods by descent. The earliest tetrapods radiated from the Sarcopterygii, or lobe-finned fish, into air-breathing amphibians. The first tetrapods are now thought to have evolved in shallow and swampy freshwater habitats, towards the end of the Devonian, a little more than 365 million years ago.

This documentary walks through our early understanding and discoveries regarding the evolution of tetrapods. The list of known fossils possessing transitional features continues to grow.

Osteolepis, Eusthenopteron, Sterropterygion, Panderichthys, Elpistostega, Tiktaalik, Elginerpeton, Densignathus, Ventastega, Metaxygnathus, Obruchevichthys, Hynerpeton, Acanthostega, Ichthyostega, Whatcheeria, Tulerpeton, Pederpes, Greerepton, Crassigyrinus, Pholidogaster, Pteroplax, Baphetes, Balnerpeton, Dendrepton, Silvanerpeton, Proteogryinus, Eoherpeton

Every home should have the Animal Planet channel

http://www.youtube.com/view_play_list?p=05E9C5F10C1EB2B4

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Uploader Comments (djarm67)

  • @Movies4Christ Until you look at it.

Top Comments

  • wow! gorilla evolving into human! did you see the pictures? one form - evolving into another! i bet Darwin'd cry if he saw what they did here... =(

    and i thought it is dead sure we didn't evolve from chimps or gorillase, but that we had a common ancestor a few milion years ago. and this brief transitional forms theory. weren't the transitional forms the best that was aviable at the time? dumbasses!

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All Comments (150)

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  • love the video man

  • brilliant video

  • i enjoyed this vid

  • some sweet info here

  • some great inforamtion here thanks

  • @Dracoti actually this whole doc is appaling

  • Honestly, this program only made the evolutionary misconception worse. In this program it's like ''fish needs to crawl on land, so it grows limbs'', people who are already vague on the subject will think they are talking about 1 individual, instead of tens of thousands of years and hundreds of generations...

  • lol at rage in comments. 

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