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'Head-first' diversity shown to drive vertebrate evolution

Harlequinmania

By Harlequinmania,
in General Reefkeeping_

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Harlequinmania

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A new analysis of two adaptive radiations in the fossil record found that these diversifications proceeded "head-first." Head features diversified before body shapes and types. This suggests that feeding-related evolutionary pressures are the initial drivers of diversification.

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1000 Gallon Tank in the Hole 

http://www.sgreefclub.com/forum/topic/120957-1000-gallon-3d-hole-in-the-wall/ 

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