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Question
Which of the following is true about the digestive systems of the animals mentioned below?
Which of the following is true about the digestive systems of the animals mentioned below?
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Solution
The correct option is D Dog – Short Digestive system, Deer – Long Digestive system, Humans – Medium length Digestive system
Animals like dog and hyena, feed on flesh which gets digested quickly. Therefore, the digestive tracts of such animals are shorter. Animals like deer, mainly feed on grass and plants. The cellulose component of their diet is a complex molecule and takes very long time to digest. Therefore the digestive tracts of such animals are longer and time taken for complete digestion is also longer. Humans are omnivores. It eats plants as well as meat. Therefore its alimentary canal is of medium length.
Dog – Short Digestive system, Deer – Long Digestive system, Humans – Medium length Digestive system
Animals like dog and hyena, feed on flesh which gets digested quickly. Therefore, the digestive tracts of such animals are shorter. Animals like deer, mainly feed on grass and plants. The cellulose component of their diet is a complex molecule and takes very long time to digest. Therefore the digestive tracts of such animals are longer and time taken for complete digestion is also longer. Humans are omnivores. It eats plants as well as meat. Therefore its alimentary canal is of medium length.
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