Evolution can perform spectacular makeovers: today's airborne songbirds descended from the wingless, earthbound dinosaurs that roamed millions of years ago, for example. But some organisms seem to ...
FACTORS OF EVOLUTION : THE THEORY OF STABILIZING SELECTION BY II SCHMALHAUSEN TRANSLATED BY ISADORE DORDICK EDITED BY THEODOSIUS DOBZHANSKY WITH A NEW FOREWORD BY DAVID B WAKE ...
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