Earthworm, 8-10", plain

Earthworm, 8-10", plain

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Phylum Annelida, Class Oligochaeta.

Earthworms are the starting point for dissection for beginning students as well as advanced students. 

 

NOTE: Dissection specimens are initially preserved with a formaldehyde solution. Then the solution is removed through a series of water baths before a glycol solution is added to produce a moist, low-fume specimen which can be stored almost indefinitely. All specimens should be used within a year of purchase to ensure the best tissue quality.