Saturation I think not 100% sure sorry
D I believe, in the picture that is attached explains
Energy flows from one animal or plant eating or getting eaten to the next anima above it. As for your translation, the crickets are eating the grass then are getting eaten by the secondary consumers and finally getting fed to the largest consumer and every time you go up in the food chain more and more energy is being passed on.
I need the picture in order to help you. Let me know if you need help adding the picture to the question.
