(1) it is a universal characteristic of higher animals that they senesce(2) Evolutionary senescence theory argues that organisms senesce because the power of natural selection decreases with age.(3) After the plants had senesced , ears were harvested and the lengths measured.(4) Fruits were counted when the plants had fully senesced .(5) In several populations, the pitchers of some plants had senesced .(6) Regardless of cold-induction treatment, leaves and plants of non-transformed plants senesced under prolonged dark storage.
