Which feature distinguishes 'back' from 'belly'?

The feature that distinguishes 'back' from 'belly' is primarily about the location on the body. The back refers to the upper side of an animal's body, running from the neck to the base of the tail, while the belly refers to the underside, typically from the ribs down to the hind legs. This distinction is important for understanding anatomical references when discussing the care, handling, and judging of rabbits, as different aspects of the rabbit's health, posture, and characteristics can be observed from these two different perspectives.

Understanding this distinction helps in evaluating the rabbit's posture, health conditions, and responses to handling, which are crucial for their well-being and proper care. The other choices, though they may also be relevant in certain contexts, do not provide the same fundamental anatomical differentiation between these two parts of the rabbit's body.