Question

True or Fa se 1. Tarsion 15 a unut chavactevistic of all melluste 2o. fishes may rely on the lunqs far buoydncy 시. sessile dnimals are often p.lher feeders 22. frules are expanded anthexs 2. Ouring double fertii 2ation, one seerm nucleus unites ith the microp speie mo thes call 2h. Coenecyhie fanqi have many nuclei n ont 25. seamentation allouye the Jevelepment of 26. Hnimals tha have nerve always have brain 23. Tlollusk have clesed curculatory systems extensive ctopa sm 3pècialized appendeyes

Answer 1

19) false. Torsion is present only in gastropods which is a class in the phylum Mollusca

20) false fish use their swim bladders to maintain buoyancy and not their respiratory gills ( aka "lungs of fish" )