The excretory product of some reptiles; birds and insects is? by Sunday | Mar 15 | Biology WAEC | 0 comments A. urea B. urine C. ammonia D. uric acid Correct Answer: Option D – uric acid Users Also Read These:The feature that links birds to reptiles in…An evidence of a common ancestral for fishes,…The excretory product in protozoans is?The eggs of birds contains relatively larger…Which excretory product is NOT found in mammals?