Question

Name the excretory substance of lizard , snakes,humans, birds​

Answer 1

Answer:

uric acid for lizard snake and bird

urea for human

Answer 2

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The excretory substance of lizard:

Uric acid is the main nitrogenous constituent of the urinary excreta of a group of lizards and snakes forming 54.55% to 67.51% of the total excretory nitrogen. ... Allantoin is present in the urinary concretions of lizards and absent from that of snakes.

The excretory substance of snakes:

Uric acid is the main nitrogenous constituent of the urinary excreta of a group of lizards and snakes forming 54.55% to 67.51% of the total excretory nitrogen.

The excretory substance of human :

Excretion is the process of removal of toxic wastes from the body of an organism. The major wastes produced by us are: Carbon dioxide and Urea. Carbon dioxide is produced by the process of respiration and urea is produced by the decomposition of unused proteins in the liver.

The excretory substance of birds:The Main Nitrogenous Excretory Product of Birds.