2种质资源.ppt
文本预览下载声明
Extinct species : the last remaining member of the species has died, or is presumed beyond reasonable doubt to have died. Endangered species : faces a very high risk of extinction in the near future. Critically endangered: faces an extremely high risk of extinction in the immediate future. Vulnerable species: faces a high risk of extinction in the medium-term. Gene bank:基因资源的保存场所。 分类学性状 物候期、生长发育
显示全部