Supposed you plant a seed and observe that a tree of large mass grows from it the tree achieves a final mass that changes very little for years afterwards

ANSWER:

The tree that grew from the seed achieved a final mass that changed very little for years afterward because the tree went under anabolic and catabolic reactions when it was "young and growing" and both continue now even though the "tree" reached a "stable mass".

EXPLANATION:

the menstrual cycle – higher tier. negative feedback mechanisms affect the production of hormones in the menstrual cycle. oestrogen also stimulates the release of lh (luteinising hormone) from the pituitary gland, which in turn controls the production of progesterone.