Blue-green algae are Cyanobacteria.

Blue-green algae are Cyanobacteria.

From: https://slidetodoc.com/presentation_image_h/03a45a07e35b65abe288cd3af98496f8/image-19.jpg

From: https://slidetodoc.com/presentation_image_h/03a45a07e35b65abe288cd3af98496f8/image-19.jpg