"The Mystery of Lyle and Louise"

Teach your students about the complete metamorphosis of an insect with these mealworms.

These organisms help keep your freshwater aquarium clean by eating algae and detritus; they won’t eat any plants included in the aquarium.

A collection of some of the more popular forms of coliphage. The successful culture of coliphage requires growing in the appropriate host bacterium (available separately)

Hydra are tiny animals closely related to jellyfish. They can be carnivorous as well as photosyntheic due to their symbiotic relationship with green algae Zoochlorellae.

These fascinating frogs are uniquely adapted for climbing, with prominent adhesive pads on the ends of their digits.

Volvox aureus is a species of colonial green algae that forms spherical colonies of cells.

Cellular slime mold. Demonstrates amoeboid state, pseudoplasmodial state, and fruiting body, or sorocarp.

The nocturnal hermit crab uses “borrowed” shells to protect its relatively soft body, changing shells as it grows larger.

Usually found in freshwater and mosses, this organism has a hard umbrella shaped shell or "test", out of which finger-like pseudopodia project.

Members of the Pelomyxa genus look very much like Amoeba. Pelomyxa, however, have many nuclei, whereas Amoeba have only one.

Black Planaria are a flatworm commonly used in science fair projects. They do not bite and move very slowly, making them easy for young students to observe.

This organism is commonly isolated from soil, and depending upon the temperature of its environment, can produce a distinctive red pigment.

This organism is easily recognized by its trumpet-shape, and can commonly be found in freshwater ponds and streams. It reproduces by budding.

This organism is a common environmental isolate, and can be found in soil as well as in industrial settings.

Paramecium bursaria is a ciliate that contains mutualistic algae called Zoochlorella. The algae lives in the cytoplasma of the Paramecium and provides it with food. Paramecium bursaria grows in Dilute Alfalfa Medium (Hay Medium) or Soil Water Medium. Requires light for growth.

Paramecium multimicronucleatumis one of the largest species of Paramecium. This ciliate contains a single macronucleus and four or more micronuclei. Grows in Dilute Alfalfa medium (Hay Medium).