|
- 积分
- 17983
- 威望
- 17983
- 包包
- 26159
|
本帖最后由 细胞海洋 于 2012-3-3 01:11 编辑
/ O% ^5 u" E" N: t; T$ L: a. x! v9 D n; G7 Q; G' Y/ w
" \3 I, I, t) W: U4 |COVER An adult male brown anole, Anolis sagrei (length ~150
# L7 x- P4 O% N$ j" C8 N8 y6 qmillimeters from snout to tail), perches atop a branch. The diameter of the # A7 _1 }0 ^% J u
vegetation used by brown anoles is a strong selective force on limb length. # R+ t6 j; g- p3 g3 u- m
Lizards inhabiting previously unoccupied islands in the Bahamas show genetic and + K' X* q2 n# I0 g4 H9 ^3 H; [; h
morphological differences due to random and selective processes. See page 1086.
. [: v$ A7 i, t' {* l+ f3 APhoto: Neil Losin, University of California, Los Angeles, www.neillosin.com " v, w! q+ F4 I& ^9 j
& V/ j. p) c$ D7 a! k. W- F" `& W6 }0 ~0 N/ C' q( p, O% E
|
附件: 你需要登录才可以下载或查看附件。没有帐号？注册
-
总评分: 威望 + 25
包包 + 30
查看全部评分
|
发表于 2012-3-2 13:09
