What morphological feature aids *E. grevyi* in dissipating heat in its arid environment?
Answer
Proportionally very large, rounded ears
Grévy's zebra (*E. grevyi*), which inhabits drier and more arid regions of East Africa, possesses proportionally very large, rounded ears. This specific morphological adaptation serves a crucial physiological function: helping the animal dissipate excess body heat into the environment, which is essential for survival in hot, arid shrubland and grassland habitats. This feature is one aspect distinguishing it from the Mountain zebra, which prefers cooler, mountainous terrain, and it contributes to its overall distinct morphology separating it into the *Dolichohippus* subgenus.

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