Final answer:
A breakfast smoothie relates back to photosynthesis because its ingredients, like fruits, vegetables, and sugars, are products of photosynthesis, and any dairy comes from animals fed on photosynthesis-dependent plants.
Step-by-step explanation:
Every item in our diet, including a breakfast smoothie, can be traced back to the process of photosynthesis. The various ingredients such as fruits and vegetables in the smoothie have directly undergone photosynthesis.
The sugar, often a component of smoothies, is a plant product, specifically sucrose, which is a disaccharide and a carbohydrate molecule produced via photosynthesis. Even dairy products, if included, come from animals that have fed on plant-based foods, hence depending on photosynthesis.
Therefore, the relationship between a smoothie and photosynthesis is that the latter is the fundamental process that provides the energy and the organic materials for the former's ingredients.