Worm Dissection Worksheet. The openings near the clitellum are the genital setae. (the ventral side is lighter in color) 2.
Earthworm Dissection Worksheet
Place the specimen in the dissecting pan dorsal side up. Examine your earthworm and determine the dorsal and ventral surface of the earthworm. The openings near the clitellum are the genital setae. Their tunneling mixes up the soil and brings rich soil to the surface. 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. Work in groups of 4 students. Be cautious using the dissecting equipment. Our earthworm anatomy and dissection guide will walk you through the entire process. Carefully collect and sign out the equipment from the front desk.
*note — check the box when you complete a step. Remember to record your observations, and answers on this sheet. The lesson includes educational videos, an interactive quiz, a student checklist, an interactive laboratory powerpoint and more! Their tunneling mixes up the soil and brings rich soil to the surface. Cut carefully all the way up to the head. Our earthworm anatomy and dissection guide will walk you through the entire process. You can observe the organs of these tiny creatures by dissecting a preserved earthworm. The openings toward the anterior end of the worm are the sperm ducts. Web this lesson plan describes the earthworm dissection in detail. Web earthworms are important helpers in the garden or field! *note — check the box when you complete a step.
