Pteridophyta

例句：

1. 1. The classification of plants is based on their phylogenetic relationships.
   植物的分类基于它们的进化关系。
2. 2. The study of Pteridophyta has revealed many new insights into the evolution of life on Earth.
   对蕨类植物的研究揭示了地球上生命进化的许多新见解。
3. 3. Pteridophyta are a group of plants that have evolved from simpler ancestors.
   蕨类植物是一类从更简单的祖先进化而来的植物。