Climate and stability.
D000818:Animals; D001717:Birds; D002980:Climate; D004463:Ecology; D004735:Energy Transfer; D007312:Eulipotyphla; D008116:Lizards; D008954:Models, Biological; D010788:Photosynthesis; D010828:Physiology, Comparative; D018521:Plant Physiological Phenomena; D011817:Rabbits; D011830:Radiation Effects; D012377:Rodentia; D012589:Sciuridae; D012756:Sheep; D013552:Swine; D013696:Temperature