About MARUYAMA SHIGENORI
About 東京工大 大学院理工学研究科
About IKOMA MASAHIRO
About 東大 大学院理学系研究科
About 生物の科学 遺伝
About Phanerozoic Eon
About Precambrian age
About Photosynthesis
About diversification
About Biomass
About nutritive salt
About animal
About extinction
About hydrothermal system
About deep sea
About Biodiversity
About mantle
About Metazoa
About Paleozoic
About Origin of life and pre-biology
About 地球
About 生命
About 顕生代
About 放散
About 絶滅
About 始まり
About 先カンブリア時代
About 境界