"activities&amp"

Define and compare ways organisms have been preserved.

Students determine contamination levels of ground beef in different environments.

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.

Dehydrated Preserved

Introduce your students to rocks formed from the cooling of magma and lava.

Introduce your students to rocks formed from deposition of sediment.

Introduce your students to rocks formed metamorphism of other rocks.

Introduce your students to a broad selection of minerals.

Mendel’s Law of Independent Assortment made easy.

Classic experiment to demonstrate crossing over.

A quick and colorful demonstration of Mendel’s Law of Segregation.

Often mistaken for beetles, these wingless crustaceans live their whole lives on land, feeding on decaying organic matter.

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 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 small aquatic amphibians breed readily in a freshwater tropical aquarium.

This activity shows Dermestid beetles assist in the breakdown of dead organic matter. Simply allow them access to the freeze-dried frog provided.