Subject: What do platypus excrete
Date: Sun Apr 2 00:43:37 2006
Posted by Phil
Grade level: 10-12
School: Immanuel College
City: Bushey State/Province: HERTS
Country: UK
Area of science: Zoology
ID: 1143963817.Zo
Message:
Animals with shelled eggs excrete uric acid. Most mammals excrte urea. But,
platypus & echidna are mammals that lay shelled eggs. How do they excrete excess
nitrogen?
Re: What do platypus excrete
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