31. The flatter parts of the islands sustain semi-desert plants while the higher lands have arid shrubland. 32. The nocturnal rodent eats a desert plant that is four times as salty as sea water. 33. As a desert plant , it is a hardy species, surviving with little water and strong sunlight. 34. They also pollinate desert plants and disperse seeds. 35. But desert plants drop leaves, shrivel and go dormant in a natural response to dry spells. 36. There are fewer Sonoran Desert or Colorado Desert plant Saguaro ( " Carnegiea gigantea " ). 37. Fossilized pollen of a desert plant called Mormon, or Brigham, tea was found from that era. 38. The greenhouses contain over 200 species of tropical and desert plant species from throughout the world. 39. A 13-room Victorian glass house features desert plants , palms, orchids, seasonal butterflies and traditional flower shows. 40. Pine and chapparal plant life adapts to periodic fires, but the Sonoran Desert plant life does not.
