Prostitution will be as old as old because the hills and it is known because worlds oldest profession. In India and in almost every other under-developed country, individuals will have sex with prostitutes. Like every country on earth, prostitution in India is really a controversial issue. Prostitution or the exchange of sex for money is legal nevertheless the related activities such as soliciting sex, operating brothels and pimping are illegal. There are three main subclasses of gastropods; the Prosobranchia (ocean snails), Opisthobranchia (sea slugs, sea butterflies and sea hares), and Pulmonata (land and freshwater snails and slugs). Each of the subclasses has evolved in their own way and members differ in their reproduction and life cycles within the subclasses. The gastropod folks are so large it really is impossible to spell out living cycle of each one individual species, but a majority of general rules do apply. The more evolved the species, the more complex their reproductive cycle in addition to their biology. Here we will look at the life span cycle of a gastropod through various examples and how they differ with regards to the type.