Worm Dissection Worksheet. Be cautious using the dissecting equipment. The lesson includes educational videos, an interactive quiz, a student checklist, an interactive laboratory powerpoint and more!
earthworm dissection
Examine your earthworm and determine the dorsal and ventral surface of the earthworm. Cut carefully all the way up to the head. Locate the dark line that runs down the dorsal side of the worm, this is the dorsal. Remember to record your observations, and answers on this sheet. Place the specimen in the dissecting pan dorsal side up. The openings toward the anterior end of the worm are the sperm ducts. Carefully collect and sign out the equipment from the front desk. The openings near the clitellum are the genital setae. Web earthworms are important helpers in the garden or field! Our earthworm anatomy and dissection guide will walk you through the entire process.
The openings toward the anterior end of the worm are the sperm ducts. You can observe the organs of these tiny creatures by dissecting a preserved earthworm. Their tunneling mixes up the soil and brings rich soil to the surface. Be cautious using the dissecting equipment. (the ventral side is lighter in color) 2. *note — check the box when you complete a step. Cut carefully all the way up to the head. Web earthworms are important helpers in the garden or field! Locate the dark line that runs down the dorsal side of the worm, this is the dorsal. Try to keep the scissors pointed up, and only cut through the skin. Remember to record your observations, and answers on this sheet.
