Question

how are the criteria for deciding divisions in plants different from the criteria for deciding the subgroups among animals?

Answer 1

the criteria for deciding the division in plants and for deciding the subgroups among animals because it depends on their characters , mode of reproduction , present of skeleton , they are flowerable or non-flowerable , coelomates , design of organisms , notochords  , presence of nerve cells   , habitats , etc. 

Answer 2

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• One of the major specifications to categorize plants into Thallophytes and Bryophytes is the basic cell structure.

• Gymnosperms and Angiosperms are classified on the basis of visibility of seeds.

• Hence, morphological characteristics play a key role in plant classification.

• In animal classification, cytology is considered primarily as more minute structural variations are taken into account.

• The cell layers, cytology, morphology are significant features to be considered in the classification of animals.

• The presence and absence of various features decide the classification of higher hierarchies.