primary division of the sea, which includes the whole mass of water subdivided into neritic and oceanic zones; also pertaining to the open sea (open water)
B. long fibres in celery
(I've done an experiment in my science class once on xylem tissue on celery)
Answer: If the area of observation in the experiment had not been restricted to the area of the root tip that is actively dividing, then the results of the experiment would have been different because the cells would supposedly be spending their entire existence in inter-phase.
I believe the answers to this is C and D.
