Compared to wetland mammals, water conservation in mammals of arid regions is enhanced by having more Naim 00:47 AP Biology Chapter 32 Compared to wetland mammals, water conservation in mammals of arid regions is enhanced by having more A) ureters. B) juxtamedullary nephrons. C) urinary bladders. D) podocytes. E) Bowman's capsules. Answer: B Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+