Of today's different groups of algae, greenalgae are probably the most similar to ancestral plants.
在今天的众多藻类中，绿藻可能与植物的祖先最为相似。
2
Greenalgae store food as starch, as do land plants and have cell walls made of cellulose, similar in composition to those of land plants.
绿藻以淀粉的形式储存食物，陆生植物也是如此，它们的细胞壁由纤维素构成，与陆生植物的细胞壁组成相似。
3
If so, the greenalgae would have been subjected to environmental pressures that resulted in adaptations that enhanced their potential to give rise to land-dwelling or organisms.