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Q2. How would you choose between two characteristics to be used for developing a hierarchy in classification?
Answer :

The basis of the start of the hierarchy will be formed by the Gross character while the basis of steps further will be taken care of by the fine character.

For eg: 1.Human beings are categorized under vertebrates as they possess the vertebral column
2. For categorization of tetrapods, the existence of four limbs is taken into consideration.
3. In the case of mammals, the mammary gland is the required part.