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Answer: The correct answer is Organ system.
Esophagus, stomach, and small intestine are the different organs in the digestive system. They all function together for digesting food and absorbing nutrients out of it. This describes organ system level of organization.
Organ system can be defined as a group of organs, which work together in order to perform one more functions. The given organs are the part of the digestive system, which is an organ system. As these organs work together and digest food, which is later on absorbed in the small intestine.
Therefore, organ system level of organization is describes here.
The organ system level of organization is being described.
What are the levels of organization?
The levels of organization of matter are stratifications in which it is possible to study all organic matter (living beings), going from a more general perspective to a more complex one.
What is an organ system?
- The different organs and tissues of the body cooperate, help each other, or work together, this level includes the organs involved in digestion for example.
- The esophagus, stomach, and small intestines are part of the digestive system.
- The digestive system's main function is the absorption of nutrients and energy that living beings need to function.
Therefore, we can conclude that an organ system is where organs are structured into more complex systems that carry out broader functions.
Learn more about the levels of organization here: https://brainly.com/question/14501995