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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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5 [, s+ @- i- a9 x4 v, |COVER An adult male brown anole, Anolis sagrei (length ~150 - M: h1 N+ B+ ?
millimeters from snout to tail), perches atop a branch. The diameter of the
3 s% \, _7 H1 K4 I3 x# i0 W, Zvegetation used by brown anoles is a strong selective force on limb length.
* B6 ] E B* l1 N, r, |) b a& }Lizards inhabiting previously unoccupied islands in the Bahamas show genetic and
6 U$ ?0 L) k1 [5 J; o- z) Dmorphological differences due to random and selective processes. See page 1086. 0 i9 M$ |2 \" T' k
Photo: Neil Losin, University of California, Los Angeles, www.neillosin.com 6 s6 e" }7 P x" v9 y8 K& n& F" J
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发表于 2012-3-2 13:09
