Question

21 multiple choice 2 points which of the following is not a characteritic used to differentiate kingdoms? number of cells root system cell type nutrition

Explanation:

The number of cells (unicellular/multicellular), cell type (prokaryotic/eukaryotic), and nutrition (autotrophic/heterotrophic) are key characteristics for differentiating biological kingdoms. The root - system is mainly a feature relevant to plants within the Plantae kingdom and not a general characteristic for differentiating all kingdoms.

Answer:

B. root system