Life: The Science of Biology 12e Student Resources is no longer available and it was replaced by Biology and Life Sciences.
Media Clip 24.1: Cyanobacteria
This video shows close-up views of the cyanobacteria Oscillatoria sp. Individual cells are visible as disks in a long filament.
Textbook Reference: Key Concept 24.2 Prokaryotic Diversity Reflects the Ancient Origins of Life