Q.5:- How are the criteria for deciding divisions in plants different from the criteria for deciding the subgroups among animals?
The criteria for deciding divisions in plants are the presence or absence of seeds and flowers, differentiation of body parts, presence or absence of specialized vascular tissues and nature
of the seed. The criteria for subdivisions among animals are the presence or absence of notochord and coelom, position of nerve cord, gill slits, body segmentation, habitat and oviparity or viviparity.
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