The decomposers would be at the very top trophic level. Grass (Producer) is eaten by a mouse (level one consumer) then the mouse is eaten by the snake (level two consumer) then the snake doesn't have enough energy to continue and dies, then leaving the decomposers at the top like fungus to feed off that and return the nutrients to the producers so they can grow.
Follicle-stimulating hormone (FSH) controls the menstrual cycle and the production of eggs by the ovaries. The amount of FSH varies throughout a woman's menstrual cycle and is highest before she releases an egg (ovulates).