Gametophytes have haploid cells. Sporophyte -spore producing body. It has diploid cells. The sporophyte makes the gametophyte. The Knigdom includes aquatic and land forms.
Plants are photosynthetic autrophs.
Almost all of these plants live in a vey moist environment. These plants don't have a true vascular system. They have anchoring structures. They like moist areas. They are all small plants.