1、Organisms that use light energy to make food in the process of photosynthesis are at the base of the phytogenesis process.
利用光能在光合作用过程中制造食物的生物是植物发生过程的基础。

2、The study of phytogenesis involves understanding the growth and development of plants from seeds to maturity.
植物发生的研究涉及从种子到成熟的植物的生长和发育的理解。