植物的种子12345子叶:储存营养胚芽:发育成茎叶胚轴胚根:发育成根种皮:保护胚菜豆种子结构图菜豆种子结构图(双子叶)123546下图是玉米结构图,说出各部分名称,及作用。果皮和种皮:保护胚乳:储存营养子叶(一片)胚芽:会发育成茎和叶胚轴胚根:,玉米的胚乳遇碘变蓝说明了什么?答:?,种子被包在果皮之中,这样的植物叫_________;而松树的种子是裸露,外面没有_____,这样的植物称____________。果皮被子植物果皮裸子植物玉米种子结构图(单子叶植物)hkjum285458./sjx123./g003233./c0d077./c0d077./jl8888./sdqjl8888./ouyangzj./lkhj12345./1855978./hkjum245152./lijin123./hkjum248215./swaitlam./yuantaifh./1855978./xiehouzhiyin./sxchangqing./hkjum217179./lkhj12345./lkhj12345./lkhj12345./lkhj12345./hcoa01./hcoa01./hcoa01./hcoa01./xialongfc./wang003233./shengyi20110101./shengyi20110101./shengyi20110101./znxk123./shengyi20110101./wang003233./wang003233./znxk123./znxk123./wang003233./889./1855978./nxz7z8xg./nxz7z8xg./szblz99./fcmg12./chitengana./hkjum843431./sjx123./twp222./twp222./twp222./twp222./twp222./wanfeng227./hkjum130720./sxchangqing./znxk123./51sole1446708./zuqinba123./li950217./qiuqiu168900./qiuqiu168900./qiuqiu168900./ppcxzhh./sxchangqing./xialongfc./1532284./wallacechu./fcmg12./wanfeng227./sxwl006./sxwl006./zuqinba123./hkjum273685./hkjum273685./hkjum273685./hcoa01./m./shop/565798/m./shop/hkjum273685/m./shop/hkjum273685/m./shop/hkjum273685/m./shop/565798/p://p://j/m/k/t/x/s/s/soiz/s/vbz3/s/mytu/s/5ri8/https://45320907827577348////?2005-175.
《植物的种子》ppt课件 来自淘豆网www.taodocs.com转载请标明出处.