Which of the following groups contains uricotelic animals...

Which of the following groups contains uricotelic animals only?
(a) Reptiles, birds, land snails, insects
(b) Reptiles, birds, land snails, aquatic insects
(c) Amphibians, birds, land snails, insects
(d) Amphibians, reptiles, birds, insects

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Key Concepts

Uricotelism

Uricotelism is the biological process where organisms excrete nitrogenous waste primarily as uric acid. This adaptation is especially beneficial for life on land because uric acid requires very little water to be eliminated, thereby reducing water loss. This trait is common among birds, reptiles, and many terrestrial invertebrates.

Nitrogenous Waste Excretion

Nitrogenous waste excretion is the process by which animals dispose of the byproducts from the metabolism of proteins and nucleic acids. The methods of excretion include ammonia, urea, and uric acid, each with different environmental and physiological implications. Uric acid excretion allows organisms to conserve water, making it an advantageous strategy for those in arid or terrestrial environments.

Adaptations to Terrestrial Life

Adaptations to terrestrial life involve physiological modifications that enable animals to thrive in environments where water may be scarce. Uricotelism is one such adaptation, allowing animals to minimize water loss while effectively excreting waste. This contrasts with aquatic organisms, which often rely on ammonia excretion, as water is abundant in their surroundings.

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