Arthritis is a term that is initially used to describe inflammation of the joints. Cartilage is a type of body tissue that keeps joints moving freely and functional well, and when they begin to break down or get inflamed, the joints don’t work as well, and it becomes painful to move
The answer to the very question you are asking is "plants"
Answer:
Because the Decompose rs are giving the energy they just stored all to the Producers, which helps the producer create its on food.