Question

Why is cyanobacteria in monera not in kingdom plantae?

Answer 1

Blue-green algae, also calledcyanobacteria, any of a large, heterogeneous group of prokaryotic, principally photosynthetic organisms. ... Algae have since been reclassified as protists, and the prokaryotic nature of the blue-green algae has caused them to be classified with bacteria in the prokaryotic kingdom Monera