"WardsSci090088"

Freshwater. Colonial; four cells with spines. Basic culture solution.

Characterized by green plastids and cell walls composed of cellulose.

Freshwater. Colonial; colonies elliptical, made up of 16–32 cells. Basic culture solution.

Characterized by green plastids and cell walls composed of cellulose.

Observe the differences between common mold types

An excellent aquarium oxygenator, Elodea canadensis is great for teaching photosynthesis and plasmolysis.

Microscopy tool to estimate size and counts.

Create a balanced ecosystem in your aquarium with the addition of these small, freshwater algae eaters. They reproduce rapidly, laying their eggs on the glass sides of the aquarium.