Bipedal locomotion was seen on Hominins as an adaptation towards environment that favored long-distance walking, hunting and scavenging and better predator detection. The feature of bipedal locomotion provided Hominins to see upright with ease, walk faster and gather resources much effectively.
Decomposition dead organisms by fungi and bacteria remove sulfur groups from amino acids, producing hydrogen sulfide, returning inorganic sulfur to the environment.
