Land plants are thought to have evolved from ____________ ____________ around ____________ . Both ____________ and land plants contain ____________ , along with various accessory pigments to aid in photosynthesis. Both ____________ and land plants store extra carbohydrates as ____________ . Both ____________ and land plants have cell walls that contain ____________ . Upon studying the ____________ , scientists have hypothesized that land plants are most closely related to ____________ , a specific type of ____________ . Although the common ancestor no longer exists, it is thought that it might resemble ____________ , a genus within this group of organisms.