TRANSITION TO A NEW TOPIC. This is now the end of the cancer chronobiology section, and chronobiology in general, and tomorrow we transition into a section that considers plants, specifically, how plants make decisions, and how they plan. While some have called this ‘plant intelligence’, the term itself has been ill-chosen, and caused a firestorm of controversy. But regardless, there is strong evidence that plants have sophisticated abilities to make decisions, as we shall see.