"Why do we have large three toed feet?"
"So we don't sink while walking in the soft sands of the desert," his mother replied.
"Why do we have long eyelashes?" was the next question.
"To stop the sand of the desert storms getting in our eyes," was the exasperated reply.
"Why do we have a large hump on our back?"
"So we can cross the many miles of desert without needing water," his mother snapped.
Spoiler:
