In this ecosystem, the primary consumers and secondary consumers would suffer if the grass died. which animals are the secondary consumers?

a. trees
b. zebras
c. lions
d. gazelles

the match lol

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.