|Bacteria: Friends or Enemies? VHS
Gain an appreciation for bacteria and their important role in the world.
|6 - 12||VHS||$59.95|
|Simple Organisms: Bacteria DVD
Outlines the structures characteristic of bacteria and the distinguishing features by which they are classified.
|6 - 12||DVD||$74.95|
|Bacteria DVD Set of 2
Save with this best-selling 2-pack of Understanding: Bacteria and Understanding: Viruses.
|6 - 12||DVD||$89.95|