How many types of nephridia are found in earthworm based on their location?

Q.

Answer the following:

(i) What is the function of nephridia?

(ii) How many types of nephridia are found in earthworn based on their location?

Q. Which of the following nephridia is not found in earthworm?

Q. Based on the type and location of storage materials, how many types of seeds are there? What are they? Give examples.

Q. On the basis of location and function, how many types of the tissue system are found in vascular plants?

Q. Septal nephridia of earthworm are