Earthworm Dissection Worksheet - Their tunneling mixes up the soil and brings rich. Find the anterior (front) end of the earthworm by locating the fleshy bump over its mouth, called the prostomium. It is a segmented worm. Pin the cranial and caudal ends. Examine your earthworm and determine the dorsal and ventral surface of the earthworm. The earthworm is an invertebrate in the phylum annelida; Earthworms are important helpers in the garden or field!
Examine your earthworm and determine the dorsal and ventral surface of the earthworm. Pin the cranial and caudal ends. Earthworms are important helpers in the garden or field! The earthworm is an invertebrate in the phylum annelida; It is a segmented worm. Their tunneling mixes up the soil and brings rich. Find the anterior (front) end of the earthworm by locating the fleshy bump over its mouth, called the prostomium.