Polymer Chemistry. Morphology. Polymer morphology is the overall form of polymer structure, including crystallinity, branching, molecular weight, cross-linking, and so on14. Small molecules usually have crystalline solids, which are highly-ordered 3-dimensional arrays of the molecules.
Further information: List of flora of the Mojave Desert and Flora of the Sierra Nevada alpine zone. Native wildflower blazing star (Mentzelia lindleyi) Gentiana algida in Sierra Nevada. California native plants are plants that existed in California prior to the arrival of European explorers and colonists in the late 18th century.
The Desert Wildlife Page. This page features some of the animals, reptiles and invertebrates found in the arid regions of the South-West USA where cacti and other succulent plants grow. You can download larger images by clicking on the pictures below. emerges from its burrow under a clump of cactus in the Desert Botanic Garden, Phoenix, Arizona.