Dictionary » A » Amnios

Amnios

Thin innermost membranous sac enclosing the developing embryo of higher vertebrates (reptiles, birds and mammals).


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Origin of life

... resembling gills during development in the uterus. IT's just that reptiles use the hard egg and allow the ofspring to develop on inside the amnios as oposed to developing in the water.This creates independence from water. You cannot gradually go from a reptilian lung to an avian lung WHy ...

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by Springer
Fri Feb 03, 2006 8:27 pm
 
Forum: Evolution
Topic: Origin of life
Replies: 236
Views: 103982

Origin of life

... resembling gills during development in the uterus. IT's just that reptiles use the hard egg and allow the ofspring to develop on inside the amnios as oposed to developing in the water.This creates independence from water. You cannot gradually go from a reptilian lung to an avian lung WHy ...

See entire post
by MrMistery
Fri Feb 03, 2006 6:52 pm
 
Forum: Evolution
Topic: Origin of life
Replies: 236
Views: 103982


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