Draw a labelled diagram of the reproductive organs of an earthworm
Answer the following:
What is the function of nephridia?
Answer in one word or one line.
How many spermathecae are found in earthworm?
How many types of nephridia are found in earthworm based on their location?
Mention briefly about the circulatory system of earthworm
Distinguish between the following: Septal nephridium and pharyngeal nephridium