<P> The main aspects of the life cycle of gastropods include: </P> <Ul> <Li> Egg laying and the eggs of gastropods </Li> <Li> The Embryonic development of gastropods </Li> <Li> The larvae or larval stadium: some gastropods may be trochophore and / or veliger </Li> <Li> Estivation and hibernation (each of these are present in some gastropods only) </Li> <Li> The growth of gastropods </Li> <Li> Courtship and mating in gastropods: fertilization is internal or external according to the species . External fertilization is common in marine gastropods . </Li> </Ul> <Li> Egg laying and the eggs of gastropods </Li> <Li> The Embryonic development of gastropods </Li>

Which of the following is an example of a gastropod