ABSTRACT
The endogenous repletion of water in the sea Lets nitrogenous excretion proceed quite easily For ammonia though toxic is quickly washed away So fish excrete (4 times) the ammonotelic way (repeat).
But new terrestrial creatures to survive where it was dry Developed metabolic features in order to detoxify, Since urea is quite soluble and it doesn’t make you sick We each excrete (4 times) as a ureotelic (repeat).
