Afoodchainisasimplewayofexplaininghoweachlivingthingget...
问题详情:Afoodchainisasimplewayofexplaininghoweachlivingthinggetsitsexample,asimpleAfricanfoodchainmightconsistofthreeparts:(1)treesandbushes;(2)giraffes;and(3)linkinafoodchainisfoodforthenextchainsalwayssta...