12
Question
The animal that mostly depends on 'Metabolic water' to survive for long periods without drinking water
The animal that mostly depends on 'Metabolic water' to survive for long periods without drinking water
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Solution
The correct option is B Didelphis
Koala, scientific name Didelphis coola, are hindgut fermenters, such that their digestive retention can last for 100 hours because of the presence of extremely long caecum. Thus, only 10% of the animal's energy is obtained from fermentation. Since, the koala gains a low amount of energy from its diet, its metabolic rate is half that of a typical mammal. The koala passing relatively dry faecal pellets high in undigested fibre and thereby stores water in the caecum.
Koala, scientific name Didelphis coola, are hindgut fermenters, such that their digestive retention can last for 100 hours because of the presence of extremely long caecum. Thus, only 10% of the animal's energy is obtained from fermentation. Since, the koala gains a low amount of energy from its diet, its metabolic rate is half that of a typical mammal. The koala passing relatively dry faecal pellets high in undigested fibre and thereby stores water in the caecum.
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