Importance of Phlogiston Theory . Although the theory has since been discarded, it's important because it shows the transition between alchemists believing in the traditional elements of earth, air, fire, and water, and true chemists, who conducted experimentation that led to the identification of true chemical elements and their reactions.
A consumer is like someone who eats out at a restaurant and a producer is like the chef making the food. Also a producer could be a actor and the consumer could be someone watching a movie.
Regardless of language barriers or methods of learning, science is the study of fundamental concepts that explain how our world and the universe works.