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InterviewSolution
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What evidence is obtained about organic evolution by digestive systems of different animals? |
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Answer» We can see that digestive tract of frog, birds, man etc., have a pharynx, stomach, small intestine. It includes liver, pancreas, digestive glands etc. Secretion of digestive juices and their function is also same. So this proves that these animals have evolved in a certain order. |
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