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regeneration – n.: the renewal, regrowth, or restoration of a body or a bodily part, tissue, or substance after injury or as a normal bodily process
photosynthesize – n. biology : the process by which a green plant turns water and carbon dioxide into food when the plant is exposed to light
decapitate – v. to cut off the head of (a person or animal)
autotomy – n. reflex separation of a part (such as an appendage) from the body : division of the body into two or more pieces
algae – n. any of a large group of simple plants and plant-like organisms (as a seaweed) that usually grow in water and produce chlorophyll like plants but do not produce seeds
parasite – n. an animal or plant that lives in or on another animal or plant and gets food or protection from it
