DIAGRAM OF SYCON WITH LABELLING
Answers
Answer: Sycon is a marine sponge that you can search attached to the rocks, corals and shells of molluscs.
Here is the labelled and explained answer of the following question:
Explanation:
Osculum: The water entering into the spongocoel is expelled through a large, common opening called the osculum.
Body spicules: The body surface has elevations popup as spicules exhibits the bristle appearance that provides structural support and act as a defense mechanism against predators.
Dermal ostia: These are one of the minute openings on the surface of a sponge that give access to the incurrent canals.
Incurrent canals: Incurrent water through canal system facilitates respiration, nutrition and excretion
Bud: In the favorable condition small projections arise from the basal region of the adult sponge that grows and develops into a small bud. When it comes in contact with a substratum it attaches to a substratum and develops into an independent creature and get separated from the parent body.
Substratum: It is the most basal part of the sycon.
