Drug – substance that when consumed causes a physiological change in the mind/ bodyBiogeography – a study of the factors influencing distribution of plants and animals, approached fromecological, historical, and cultural perspectivesAlcohol – from an Arabic word, and refers to any beverage that has ethyl alcohol in itAlco-biogeography - A study of the factors influencing the distribution of those plants that are the baseingredients for alcohol, approached from ecological, historical and cultural perspectives-Human influence on those plants used for producing alcohol would be primary focus. As wouldbe the impact alcohol production has had on defining cultural landscapesEthyl alcoholYeast added to any simple sugar solutionSaccharomyces cerevisiae: brewers yeast, ferment a sugar solution into alcohol. Yeast float all around us,are in the air naturally. This is why fermentation can occur naturally (leaving fruit out)