Answer:
Horsetails vary in appearance, but they all lack leaves and have no close relatives. The most similar group of plants are the ferns. They use both their branches and their stems for photosynthesis, as opposed to having foliage. The stalks of the horsetails are almost hollow in the center.
Explanation:
Bio means life; biology is the study of life and a biography is the story of someone's life.
Chloro means green, as in chlorophyll, which is found in green plants.
Lol it wouldn't let me edit before, sry :)
Very high level atmosphere