Question

What is the nitrogenous waste of hemichordata??

Answer 1

the nitrogenous waste of organisms in hemicordata is generally amino acids.

Answer 2

The body of a chordate is constantly working, and a lot of waste is produced during that metabolic work. Nitrogenous wastes are one such product, and different chordates excrete it in different ways. For example, some animals excrete their nitrogenous waste as ammonia, while others excrete it as urea, and others still as uric acid.

Ammonia is a very toxic metabolic waste product, while urea and uric acid are both relatively non-toxic. Because of its toxicity, ammonia excretion occurs most often in animals that live in aquatic environments. Here, they have plenty of water to dilute the ammonia, which is not possible for land animals. Despite its toxicity, ammonia is a very efficient form of waste excretion for these animals because it readily leaves the body in aquatic environments.

Urea, which is about 100,000 times less toxic than ammonia, does not need to be diluted with so much water, so we tend to see this type of metabolic waste excreted from land animals, such as mammals, adult amphibians (their juveniles live in aquatic environments and may excrete ammonia during that life phase), and turtles. Uric acid is less toxic than both ammonia and urea and requires less water in order to be excreted from the body. Birds and reptiles usually excrete uric acid.

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