"WardsSci000474"

Bullfrog tadpoles are great for demonstrating metamorphosis in the classroom.

Place these eggs in a brine solution for two days in order to make the shrimp (Artemia) hatch. Our special processing technique allows you to store the eggs for nearly indefinite periods of time. 7 grams.

Is your aquarium missing that “natural” feel? This colorful assortment of shells is ideal for turning any fish tank into a realistic environment. Package of 30.

It's easy to grow plants

Zygomycete. Common black bread mold. Lab contaminant. Mating strain, cross with Rhizopus stolonifer (nigricans) (-) to produce zygospores. Incubation temperature 25°C. Potato dextrose agar growth medium.

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

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.

This North American Diplopod makes a great classroom pet and can be used in behavioral studies.

Mature specimens of this widely studied annelid are provided.

This is the most widely studied Turbellarian, a free-living flatworm commonly used in science fair projects.