Insect pests are among the leading causes of crop failure.
A、expectedB
暂无解析
Alllivingorganisms,regardlessoftheiruniqueidentity,havecertainbiological,chemical,andphysicalcharacteristicsincommon.
Eyespots,themostrudimentaryeyes,arefoundinprotozoan原生动物flagellates鞭毛虫,flatworms扁形虫,andsegmentedworms片段蠕虫.
InthenortheasternUnitedStates,itrainsintermittently间歇地throughoutthespring.
Peoplewhodonotsleepenoughtendtobecomeirritable.
Urbanrenewalprogramsstrivetoupgradeareasthatarebecomingslums.
