tetrahydrocannabinol (THC) [-hiâ²drÅkÉnabâ²inol] the active principle, occurring as two psychotomimetic isomers, in the hemp plant Cannabis sativa, used in the preparation of marijuana, hashish, bhang, and ganja. THC increases pulse rate and has variable effects on blood pressure.
Over the last 3.7 billion years or so, living organisms on the Earth have diversified and adapted to almost every environment imaginable. The diversity of life is truly amazing, but all living organisms do share certain similarities. All living organisms can replicate, and the replicator molecule is DNA. As well, all living organisms contain some means of converting the information stored in DNA into products used to build cellular machinery from fats, proteins, and carbohydrates. Three Domains of Life
Answer: Evolution explains the diversity of life that we see. Explanation: Darwin's Theory of Evolution by Natural Selection is by far the best explanation for the great diversity of life that we see. Before Darwin's time, science knew that life evolved, since they saw the fossils (fossils were a popular spectacle back then) and their resemblance to extant life.