It is not possible to provide a comparison between a human and another organism without knowing which specific organism you are referring to. Different organisms have different ways of obtaining and processing molecules from food and air, and these differences are largely due to their unique physiological and ecological adaptations.
In general, humans and other animals obtain molecules from food and air through a process called metabolism. This process involves the breakdown of complex molecules, such as carbohydrates, proteins, and fats, into simpler molecules that can be used by the body for energy and growth. The molecules obtained from food and air are then transported through the bloodstream and delivered to cells throughout the body, where they are used to fuel various physiological processes.
Different organisms have evolved different mechanisms for obtaining and processing molecules from food and air. For example, humans and other animals rely on the digestive system to break down food and absorb nutrients, while plants use photosynthesis to convert sunlight into energy. Some organisms may also have specialized adaptations for obtaining molecules from their environment, such as the ability to filter nutrients from water or the ability to extract nutrients from insects or other small animals.
Overall, the specific differences in how an organism gets molecules from food and air depend on the specific physiological and ecological adaptations of that organism.