|
- 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
) T2 Y+ V+ t+ k' w) k$ R
) R3 H3 V4 F7 U7 |& z * d$ I2 W) @, a. M7 y k* q6 e
; H9 h$ I% N6 vCOVER A juvenile male Pteropus alecto (black flying fox) / s$ C& g K4 D3 B& |+ v
spreading its wings (for adults, average wing span: ~1 meter; average weight 3 L! |9 I& o( M. h" `
range: 500 to 1000 grams). Bats, the only mammals capable of sustained flight,
* z$ h$ q8 t, T5 E& ?are among the world's most diverse mammals and are host to numerous deadly + g4 M6 g( I/ S8 y
viruses. Comparative genome analyses have shed new light on the evolution of # c; r ^$ P$ v4 Q
bat-specific traits, including flight and immunity. See page 456. Photo: Martin Asser
O: d5 x) ? w$ I8 hHansen/www.maasha.dk 7 s+ ]# i6 D" b3 Z6 h
/ E0 o1 O/ }% F4 ~
5 t, S- K9 i4 t4 E3 R# f |
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
