1.年轮大部分都是木质部么?可是形成层不也向外分裂细胞生成韧皮部么?年轮中木质部与韧皮部的关系究竟是怎么样的?2.参考书上说地衣是首批登陆陆地的微生物,它有产生酸从而帮助分裂岩
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/17 23:09:58
![1.年轮大部分都是木质部么?可是形成层不也向外分裂细胞生成韧皮部么?年轮中木质部与韧皮部的关系究竟是怎么样的?2.参考书上说地衣是首批登陆陆地的微生物,它有产生酸从而帮助分裂岩](/uploads/image/z/15119099-35-9.jpg?t=1.%E5%B9%B4%E8%BD%AE%E5%A4%A7%E9%83%A8%E5%88%86%E9%83%BD%E6%98%AF%E6%9C%A8%E8%B4%A8%E9%83%A8%E4%B9%88%3F%E5%8F%AF%E6%98%AF%E5%BD%A2%E6%88%90%E5%B1%82%E4%B8%8D%E4%B9%9F%E5%90%91%E5%A4%96%E5%88%86%E8%A3%82%E7%BB%86%E8%83%9E%E7%94%9F%E6%88%90%E9%9F%A7%E7%9A%AE%E9%83%A8%E4%B9%88%3F%E5%B9%B4%E8%BD%AE%E4%B8%AD%E6%9C%A8%E8%B4%A8%E9%83%A8%E4%B8%8E%E9%9F%A7%E7%9A%AE%E9%83%A8%E7%9A%84%E5%85%B3%E7%B3%BB%E7%A9%B6%E7%AB%9F%E6%98%AF%E6%80%8E%E4%B9%88%E6%A0%B7%E7%9A%84%3F2.%E5%8F%82%E8%80%83%E4%B9%A6%E4%B8%8A%E8%AF%B4%E5%9C%B0%E8%A1%A3%E6%98%AF%E9%A6%96%E6%89%B9%E7%99%BB%E9%99%86%E9%99%86%E5%9C%B0%E7%9A%84%E5%BE%AE%E7%94%9F%E7%89%A9%2C%E5%AE%83%E6%9C%89%E4%BA%A7%E7%94%9F%E9%85%B8%E4%BB%8E%E8%80%8C%E5%B8%AE%E5%8A%A9%E5%88%86%E8%A3%82%E5%B2%A9)
xVYr"GPc*fb1a_4XBM+@iLguUM,pAԵ:C3Rw$nJƭb[Xa7*$9yoѤu+ ;q/~Asׇʶ<9_?ԟ.dfD[~f[=Tfvǂ~Ed~mRaMm4LFs,H3GΐNt|wɫQwdbMW ށoCۗۚ?YjSl6I&
hRK+Whi[=dÜ-ׯ1yFd3p7x&K'Ϲ\W2^ᗠ"d5۾ 4L1d=7%&:%Z*duBpEGgH[7GOkS*Qm9.s?! ;DXnl4gVu\c 0|*Fڶ=b`۪N _ּu+ ?͊D8D[&3?$:يU!Fw81zUfy٭pb,^.Bn1nbw/Cw<>L6٥i+E
H3֑9# ]Z{V, |ӖD3Coݷ