Which one of these is not a characteristic feature of sponges?
Cellular level of organisation
Presence of ostia
Body supported externally by cuticle
Intracellular digestion
In sponges, the body is supported by spicules made of calcium or silica or proteinaceous spongin fibres, but not cuticle.
One of these is not a characteristic feature of cyanobacteria.
Which one of the following is not a characteristic feature of bryophytes?