Live Specimens

Readily Observed Strain Requires No Magnification

Long life cycle (approximately one month). Useful for comparative population studies and for preparing salivary gland chromosome squashes.

Recommended by the Carnegie Institute
Mature Drosophila are cultured in our own labs, and are marked with the culture initiation date. Culture is shipped in our instant medium in a shatterproof vial. The pupae will usually appear within ten days of the ship date. You will also receive WARD’S Drosophila Culture Guide. Note: We can supply any of our single strains in the larger quantity for 100 students. Call our Customer Service department for details.

All of our most popular crosses, already done for you. We'll do all the pre-work, so you can spend more time with your students.

This harmless insect parasitizes the Sarcophaga (flesh fly) pupae. Females usually lay 30–50 eggs in the pupae, which provide food for the Nasonia larvae when they hatch.

These slugs maintain a marine aquarium’s ecological balance by feeding on algal growth.

These red marine bivalves are fascinating to observe as they propel themselves forward by expelling jets of water.

Related to the starfish, but easier to maintain, the serpent star features a central disc and five very flexible arms.

Cucumaria sp. These creatures have oral tentacles used to catch food and then pull the food into its body to digest.

This unusual-looking Echinoderm, a small ball-shaped organism, displays radial symmetry. It moves via tube feet.

Illustrate the structure, feeding habits, responses, and reproduction of a typical Anthozoan.

Pimephales promelas. Nonaggressive. Highly adaptable and easy to maintain, minnows make good water pollution indicators. Care instructions are included. Size: 2". Package of six.

These small aquatic amphibians breed readily in a freshwater tropical aquarium.

Grass frogs are low maintenance and seasonally available, typically from September to July.

Ward's Science is not endorsed by or affliated with FOSS curriculum in any way.

Ward's Science is not endorsed by or affliated with FOSS curriculum in any way.

Ward's Science is not endorsed by or affliated with FOSS curriculum in any way.