"VWR"

All microbial cultures undergo an extensive quality control program prior to releasing for sale, so they are guaranteed for purity as well as for species.

Isolated from milk and udders of cows. Lancefield group B, beta hemolysis. Causes infection of the female genital tract, maternal septicemia, neonatal infections. Camp test positive; resistant to bacitracin.

White, massive, coarse crystalline vein, Mohs’ hardness of 7.

Brownish gray, kerogen-rich; commercial oil source.

Ward’s® PURE Preserved Specimens - the best dissection experience from start to finish.

Ward’s® PURE Preserved Specimens - the best dissection experience from start to finish.

Nymphoides aquatica. Dicot. The green tubercles that grow from this unique plant’s short roots store nutrients and look like bananas, giving the plant its common name. It is a floating plant that grows best in shallow water. It is easily reproduced from cuttings. Size: 4–6". Package of six.

Unless otherwise noted, plants are supplied in waterproof, plastic bags that keep plants fresh and healthy. Care instructions are included. Be sure to check with your state’s Department of Agriculture for any restrictions.

Large embryos with a clear coating makes them ideal for observing development.

Buy Both the Thin Section Set and the Hand Specimen Set and Save!

Dark gray with abundant gas pocket vesicles.

Shiny crystal clusters and crystalline groups, this 'fools gold' is brassy and leaves a black streak.

This species of Rhodospirillum is commonly isolated from stagnant water and mud. It is especially interesting because it produces a red pigment and is also capable of photosynthesis.

Dark brown to black; polycrystalline zinc ore.

Define and compare ways organisms have been preserved.

With this Complete Earthworm Dissection Lab, you’ll receive: 10 high quality specimens that are easy to pin and dissect, packed in formaldehyde-free Borealene II. 20 student manuals with pre-test, post-test and easy to follow step-by-step instructions. 10 disposable dissection trays that offer direct pinning to the surface with no cleanup or resurfacing. Teacher’s guide with student objectives, teaching hints and answers to student tests. Replacement Student Manuals and Teacher’s Guides may also be purchased separately.

Specially Prepared “Real-Life” Combinations
The world is teeming with a wide variety of micro life, making studying samples of pond water complicated especially for the beginning student. To lessen the confusion, Ward's has prepared different culture mixes that reflect protist combinations that occur in the real world, yet eliminates the hundreds of other life-forms found in a collected sample.