Tunicates are invertebrate marine animals. These animals have very simplistic or lack an excretory systems and must eliminate nitrogenous waste through the diffusion of ammonia through their tissues. A sea squirt is a tunicate.
"Echinoderms do not have an excretory system. Their excretions are eliminated by diffusion." (as said by www.Biology-questions-and-answers.com)
as ammonia
Embryos excretes nitrogenous wastes into the placenta.
Urine contains nitrogenous wastes.
the kidney is referred to as an excretory organ and excretes urea, which is a less toxic form of uric acid.
because nitrogen is a toxin in our bodies and we would dye if it didn't leave.
The urinary system excretes nitrogenous wastes. The lungs excrete carbon dioxide.
Common nitrogenous wastes in urine are: urea, uric acid and ammonia.
nitrogenous wastes
The three main nitrogenous wastes are ammonia, uric acid and urea.
Urea is the less toxic in nature among the nitrogenous wastes where as Ammonia is 100,000 times toxic than urea.
nitrogenous wastes,excess water
Urea.
Urea and other nitrogenous wastes