Oscular fringe in Scypha is formed by:
A.Monaxon spicules
B.Myocytes
C.Collencytes
D.None of these
A.Monaxon spicules
B.Myocytes
C.Collencytes
D.None of these
A.Earthworm
B.Leucosolenia
C.Maggot of house fly
D.Amoeba
A.Ellis
B.Grant
C.Huxley
D.Sollas
A.Scypha
B.Leucosolenia
C.Spongilla
D.None of these
A.Asconoid
B.Syconoid
C.Leunoid
D.Rhagon
A.Porocytes
B.Desmocytes
C.Myocytes
D.Thesocytes
A.Be sucked into spongocoel
B.Remain where they are
C.Be carried away from osculum
D.Rotate in a circle around osculum
A.Myocytes
B.Collencytes
C.Thesocytes
D.None of these
A.Calcareous sponges
B.Glass sponges
C.Demospongiae
D.None of these
A.Incoming water current and are located in the body wall of sponges
B.Excretory products and are located inside the body of flat-worms
C.Outgoing water current and are located on the top of sponge
D.None of these