How did Therapsid develop kidney(s)?

Subject: How did Therapsid develop kidney(s)?

Date: Wed Sep 27 01:53:11 2000
Posted by Peter Mack
Grade level: School: Lexington High School
City: Lexington State/Province: MA Country: USA
Area of science: Evolution
ID: 970033991.Ev

Message:


Were there cells already genetically programmed in its vascular system that 
were expanded into kidneys or was it a case of miscoding that produced a 
vascular "mutation" that ultimately permitted Therapsid to survive in fresh 
water?

Re: How did Therapsid develop kidney(s)?

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