Where would a leaf not be able to perform photosynthesis? a. in a dark cave b. in a cold climate c. in a hot climate d. on the moon e. in shallow water

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.

it is called the mitotic spindle