131. Syklark
Syklark depend for a certain weed which will infest sugar plant, so someone plant an experimental farm which uses a lot of pesticide to kill the weed. but they found that the survival rate of the syklark nesting near the farm didn't decrease, why? ——by s19870117(700)
选项有:Skylark may search food at a very wide range
Skylark probably don't fly back to the former nest.作者: she9527 时间: 2010-10-12 17:18