What is the purpose of the fruit that develops on a flowering plant?

meteorologists would compare a new weather map with one 24 h old to see how fast a front is moving.

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.