A) Sycon
B) Nereis
C) Sepia
D) Euglena
Correct Answer: A
Solution :
Sycon (Scypha) is a sponge and does not perform locomotion. It is a genus of calcareous sponges belonging to family- Scyerridae. Class- Calcaronea and phylum- Porifera. These sponges are small, growing upto 5 cm in total length, and are tube shaped and often white to cream in color.
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