- q: t2 ?0 B2 @) |7 \ ( V7 L: h+ G8 S; xCOVER Two Daphnia dentifera, each ~2 millimeters long. The organism at bottom left is infected with a virulent yeast parasite, causing her bright white appearance. The food web in which the host-parasite interaction is embedded determines the size of the epidemic, which, in turn, determines whether the Daphnia population becomes more resistant or more susceptible during the epidemic. See page 1636. Credit: Meghan A. Duffy 9 |, g/ X$ L6 B9 }& B) S 作者: eley 时间: 2012-3-30 21:42
ding~~~~作者: yeya 时间: 2012-3-30 23:09
谢谢楼主的分享作者: lgclgc 时间: 2012-3-31 08:13
thank you very much作者: hnsdlgl 时间: 2012-3-31 08:16