What is the name of file like rasping organ found in molluscs?

Radula is a file like rasping organ for feeding

Mention a single word for the following. a) Sexes are not separate. b) Body wall with three layers. c) File like rasping organs in Mollusca. d) Segmentation of animal body. e) The property of a living organism to emit light. f) Alternation of generation in Cnidarians.

Balancing organ of molluscs is

Balancing organ of molluscs is

Balancing organ of molluscs is

Rasping organ in snail is

Rasping organ in snail is

Blalancing organ of molluscs is

The rasping organ, radula is found in