"Avantor"

Present concepts of magnetic forces and elasticity to your students with this inquiry-based activity.

Determine the spring constant of a spring using two methods.

Detailed cast of the iconic Ediacaran fossil, Dickinsonia, from the Flinders Ranges in South Australia. Present on the upper corner of this large slab is an example of another early life form, Parvancorina. A great addition to any Precambrian collection.

Illustrates Structure of Gourd Plant Stem

Normal flora of respiratory tract. Beta-lactamase positive. Also known by the name Branhamella catarrhalis

Using penicillin-impregnated discs on two plates, students grow one lawn each of two common, naturally occurring pathogen bacteria.

Students determine a mineral's hardness between five and 10 on Mohs' scale.

Freshwater. Colonial; four cells with spines. Basic culture solution.

Characterized by green plastids and cell walls composed of cellulose.

Fern Species Common in Temperate and Subtropical Areas

Major Salivary Gland

Aids in Absorption and Mucus Movement

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.

Illustrates the Bony Plate of the Hard Palate

Poecilia reticulata.

Ischnura sp. It has characteristic laterally projecting eyes and petiolate wings that fold above the body when at rest. Body size: 1 1/2".

Illustrates Cartilaginous Tissues