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Dictionary » P » Permian

Permian

permian

1. (Science: geology) Belonging or relating to the period, and also to the formation, next following the Carboniferous, and regarded as closing the Carboniferous age and paleozoic era.

2. (Science: ethnology) A tribe belonging to the Finnic race, and inhabiting a portion of Russia.

Origin: From the ancient kingdom of Permia, where the Permian formation exists.


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Bird Evolution

... were bored, when they should, by darwinian terms, be enjoying their newfound freedom, relative lack of predators and abundant resources (assuming Permian period for first ave here, since later doesn't seem possible). If you'll forgive me for saying so, your logic is a bit flawed. Vertebrates did ...

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by alextemplet
Tue Jul 29, 2008 5:28 am
 
Forum: Evolution
Topic: Bird Evolution
Replies: 9
Views: 2470

Bird Evolution

... were bored, when they should, by darwinian terms, be enjoying their newfound freedom, relative lack of predators and abundant resources (assuming Permian period for first ave here, since later doesn't seem possible). But hey, i'm no biologist, just an enthusiast, so i may be talking nonsense here. ...

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by lifemare
Mon Jul 28, 2008 6:32 pm
 
Forum: Evolution
Topic: Bird Evolution
Replies: 9
Views: 2470

Artificial Life Created

... old. The Cambrian explosion occured some 540 mya, and a mass extinction of many of the Cambrian animals like the Trilobite occured during the permian which is about 240 mya, which is about 300 million years. The Dinosaurs lasted about 180 million years. Now insect have been around for a very ...

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by MichaelXY
Tue Nov 27, 2007 9:55 pm
 
Forum: Evolution
Topic: Artificial Life Created
Replies: 53
Views: 5618

Four Chambered Hearts

... side of early amniotes while reptiles (including those paraphyletic birds) all came from the diapsids. We're talking late Carboniferous/early Permian. Otherwise, Im really not too in the know about hearts in this context :(

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by kotoreru
Fri Jul 13, 2007 12:41 am
 
Forum: Zoology Discussion
Topic: Four Chambered Hearts
Replies: 2
Views: 1327

Evolution - Natural Selection FLAWED?

... final evolutionary effect. Cockroaches, which are one of the most venerable living insect groups, have remained more or less unchanged since the Permian, yet they have undergone as many mutations as Drosophila, a Tertiary insect. 27 Briefly, it is impossible for living beings to have evolved, ...

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by Thermopylae
Sun Feb 18, 2007 3:52 pm
 
Forum: Evolution
Topic: Evolution - Natural Selection FLAWED?
Replies: 9
Views: 4432
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