Worm Dissection Worksheet. (the ventral side is lighter in color) 2. You can observe the organs of these tiny creatures by dissecting a preserved earthworm.
Kid Science Worm Dissection Selectsoft
Remember to record your observations, and answers on this sheet. Locate the clitellum and insert the tip of the scissors about 3 cm posterior (behind the clitellum). Work in groups of 4 students. Web earthworms are important helpers in the garden or field! Be cautious using the dissecting equipment. Try to keep the scissors pointed up, and only cut through the skin. *note — check the box when you complete a step. You can observe the organs of these tiny creatures by dissecting a preserved earthworm. Our earthworm anatomy and dissection guide will walk you through the entire process. Examine your earthworm and determine the dorsal and ventral surface of the earthworm.
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. Work in groups of 4 students. Locate the clitellum and insert the tip of the scissors about 3 cm posterior (behind the clitellum). 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. Try to keep the scissors pointed up, and only cut through the skin. (the ventral side is lighter in color) 2. Our earthworm anatomy and dissection guide will walk you through the entire process. Cut carefully all the way up to the head.