Biology · BIOLOGICAL CLASSIFICATION

Earlier classification systems grouped diverse organisms like bacteria, blue-green algae, fungi, mosses, ferns, gymnosperms, and angiosperms under 'Plants'. What was the single unifying characteristic that led to this grouping?

1. A
   Autotrophic photosynthetic mode of nutrition
2. B
   Eukaryotic nuclear membrane structure
3. C
   Presence of a cell wall in their cells
4. D
   Multicellular complex body organization