Concept
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Nitrogenous Waste in Birds and Reptiles: Uric Acid
Nitrogen excretion
Nitrogenous waste is excreted in different forms by different species. These include (a) ammonia, (b) urea, and (c) uric acid.
Source
Boundless vets and curates high-quality, openly licensed content from around the Internet. This particular resource used the following sources:
"OpenStax College, Nitrogenous Wastes. October 17, 2013."
http://cnx.org/content/m44811/latest/Figure_41_04_02abc.jpg
OpenStax CNX
CC BY 3.0.