Worm Dissection Worksheet - Their tunneling mixes up the soil and brings rich. The dorsal and ventral blood vessels carry. Web the earthworm has a closed circulatory system consisting of three main sections. Find the anterior (front) end of the earthworm by locating the fleshy bump over its mouth, called the prostomium. Pin the cranial and caudal ends. (the ventral side is lighter in. Examine your earthworm and determine the dorsal and ventral surface of the earthworm. Earthworms are important helpers in the garden or field!
Find the anterior (front) end of the earthworm by locating the fleshy bump over its mouth, called the prostomium. Their tunneling mixes up the soil and brings rich. Web the earthworm has a closed circulatory system consisting of three main sections. (the ventral side is lighter in. Pin the cranial and caudal ends. Examine your earthworm and determine the dorsal and ventral surface of the earthworm. Earthworms are important helpers in the garden or field! The dorsal and ventral blood vessels carry.