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本帖最后由 细胞海洋 于 2013-1-26 22:37 编辑
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COVER A juvenile male Pteropus alecto (black flying fox)
8 A+ {* b8 `/ [! D# I4 p: aspreading its wings (for adults, average wing span: ~1 meter; average weight
; ~2 |, j9 ^$ zrange: 500 to 1000 grams). Bats, the only mammals capable of sustained flight, - `& ]1 s% b+ t) _* ^7 x) f% a
are among the world's most diverse mammals and are host to numerous deadly
3 [* j( A/ E; ?* [( \* T: \viruses. Comparative genome analyses have shed new light on the evolution of
; o/ {: j+ u) T" m. ibat-specific traits, including flight and immunity. See page 456. Photo: Martin Asser ! w& z3 c' L' |% o
Hansen/www.maasha.dk 6 Y# ?, W1 a* I, t5 x2 N3 _
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发表于 2013-1-26 07:42
发表于 2013-1-26 23:00
xie xie
