alleryModern taxonomic studies are based on ecology, development and the structure of the:
ACell
BCoat
CComb
DCusp
Answer & Solution
Correct answer: A. Cell
1. External form alone proved insufficient.
2. Study went inward to the smallest unit of life.
3. External and internal structure, along with the structure of cell, form the basis of modern taxonomic studies.
4. So the answer is the cell.
_Source: syllabus Biology, Ch 1 'The Living World'_
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