A trade is a work activity that is generally linked to manual or artisan processes that do not require formal studies while a profession is a work activity that requires specialized academic training. The differences between trade and profession has to do with the level of studies required in each case.

Flora refers to plant species, while fauna is the term used to categorize animals. Although flora and fauna exist in almost the entire world, each set of plant and animal species responds to specific characteristics according to the geographical and climatic conditions of the region in which they develop, therefore, they are organisms that have evolved and adapted to their environment.