Campbell Biology (11th Edition)

Published by Pearson
ISBN 10: 0-13409-341-0
ISBN 13: 978-0-13409-341-3

Chapter 44 - 44.2 - Concept Check - Page 981: 1


Excretion of uric acid requires very little water, minimizing water loss.

Work Step by Step

Uric acid is largely insoluble. Reptiles and birds excrete a paste-like substance made of urates rather than liquid urine. This allows them to remove nitrogenous waste effectively without excreting much water in the process.
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