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.
Chaparral. Red shanks chaparral Photo by Rick Halsey. Chaparral is Californiaâs most extensive plant community. It is also the stateâs most characteristic wilderness, dominating foothills and mountain slopes from the Rouge River Valley in southern Oregon to the San Pedro Martir in Baja California.n areas with rainfall less than 10 inches or especially high evaporation rates, chaparral is typically replaced by a different plant community, the coastal sage scrub. Above 30 inches, conifer and mixed evergreen forests generally predominate.