Earthworms are important helpers in the garden or field! Their tunneling mixes up the soil and brings rich soil to the surface. You can observe the organs of these tiny creatures by …

Examine your earthworm and determine the dorsal and ventral surface of the earthworm. (The ventral side is lighter in color) The openings toward the anterior end of the worm are the sperm …

An earthworm dissection lab provides an economical and convenient opportunity for students to practice their dissection techniques before progressing to more complex specimens such as …

The earthworm should remain in the dissecting tray on the table when cutting and you should always cut away from you. (*Note — report any injuries to the lab teacher ).

Incisions for Dissection Lay the worm dorsal side up. Pin the cranial and caudal ends.

In this article, we cover earthworm anatomy and how to dissect and earthworm safely in the lab of a college or university.

Instructions and guide to dissecting the earthworm which includes several images to supplement a laboratory experience. Students start with the external anatomy, locate structures and then …