Question

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

Answer 1

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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.