|
- 积分
- 17983
- 威望
- 17983
- 包包
- 26159
|
本帖最后由 细胞海洋 于 2013-1-26 22:37 编辑 % J( T' X) U7 N: e$ F
, B% c: S$ K! d# w: U1 I( }
N* l$ g% y8 p4 H# c [2 b0 f2 `% ]- z" g) ^* m1 J( r
COVER A juvenile male Pteropus alecto (black flying fox)
+ V, l* f7 n( m5 L; {spreading its wings (for adults, average wing span: ~1 meter; average weight ' v6 D( u' P6 M! `( {& F5 J
range: 500 to 1000 grams). Bats, the only mammals capable of sustained flight, / z$ a0 H) b- W: E
are among the world's most diverse mammals and are host to numerous deadly
; P w& O$ j/ p8 j' C1 gviruses. Comparative genome analyses have shed new light on the evolution of
' s! S' u' ?/ A0 cbat-specific traits, including flight and immunity. See page 456. Photo: Martin Asser
* V1 F k, Q' e7 j DHansen/www.maasha.dk \9 }( L9 i" }. t* d
# r5 |- }9 W, @# ]: f
3 r4 i2 R3 @0 | |
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 + 20
包包 + 20
查看全部评分
|
发表于 2013-1-26 07:42
发表于 2013-1-26 23:00
xie xie
