Draw a labelled diagram of the reproductive organs of an earthworm.

1 Answer in one word or one line.  (i) Give the common name of Periplanata americana.(ii) How many spermathecae are found in earthworm?(iii) What is the position of ovaries in cockroach?(iv) How many segments are present in the abdomen of cockroach?(v) Where do you find Malpighian tubules?  2 Answer the following:  (i) What is the function of nephridia?(ii) How many types of nephridia are found in earthworm based on their location?  4 Draw a labelled diagram of alimentary canal of a cockroach. 5 Distinguish between the followings(a) Prostomium and peristomium(b) Septal nephridium and pharyngeal nephridium