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本帖最后由 细胞海洋 于 2012-3-3 01:11 编辑
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COVER An adult male brown anole, Anolis sagrei (length ~150
5 a) ]' [8 d& N1 T* d8 Emillimeters from snout to tail), perches atop a branch. The diameter of the 3 f0 s, x7 j, j/ H
vegetation used by brown anoles is a strong selective force on limb length.
' u4 H. Q. t) m3 mLizards inhabiting previously unoccupied islands in the Bahamas show genetic and
& H+ p5 a y' c2 v% @morphological differences due to random and selective processes. See page 1086. $ L+ h# j; B0 K+ E2 V
Photo: Neil Losin, University of California, Los Angeles, www.neillosin.com - R; ?" k4 M; T
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发表于 2012-3-2 13:09
