figureThe plastic behaviour of polymers is also influenced by their morphology, or arrangement of molecules on a large scale. Stated simply, polymer morphologies are either amorphous or crystalline. Amorphous molecules are arranged randomly and are intertwined, whereas crystalline molecules are arranged closely and in a discernible order.
Mountain Plant Life. Southern California has a Mediterranean climate. This means that the weather is warm and dry in the summer, and cool and wet in the winter. The San Bernardino Mountains are well known for their lush forests of tall pine trees, but there are many other types of plants that live here. Deep-rooted chaparral covers the southern face of. the San Bernardino Mountains.
1 This list of native plants is organized by elevational distribution ranges and their plant communities. 2  Some plants with a broader altitudinal range are found listed in their predominant habitat elevation. 3  All the plant species listed are native to the Sierra's foothills, valleys, and mountains. All the plant species listed are native to the Sierra's foothills, valleys, and mountains. 2  In addition some are also endemic to here and elsewhere within California - (ca-endemic) ; and some are further endemic to and only found in the Sierra Nevada - (sn-endemic) .