The center of a Moss axis is occupied by ______?

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The center of a Moss axis is occupied by ______? Answer: None of these

Mosses are non-vascular plants, so they lack true conducting tissues like xylem and phloem. The center of the moss axis is occupied by parenchymatous cells, which provide structural support and limited water conduction. This is a key feature distinguishing mosses from vascular plants.