D) laboratory experiments because every experiment needs a control and a variable.
Help ease people through the withdrawal process.
Environmental and genetic factors can influence the growth of many organisms on earth such as plants, animals, and even fish. When the climate changes, many animals/organisms adapt by adaptation and evolution. Every organism can evolve in order to stay alive in this race of competition for survival. This is a natural accordance that happens every day in our world. Thus making organisms stay alive for longer periods of time.
