Treatment. There's currently no cure for Parkinson's disease, but treatments are available to help relieve the symptoms and maintain your quality of life. These treatments include: supportive therapies â such as physiotherapy ; medication ; surgery (for some people)
Reinforcement is a necessary requirement for both the parapatric and sympatric theories of speciation. It is the process by which a hybrid zone (an area of contact between different forms of a species) develops into a full species barrier.
Given sufficient time and other factors, new species can arise from within current weed populations. Unused resources left by homogeneous crop populations, diverse and fit weed populations, as well as crop management practices, provide strong forces for speciation. Speciation can be defined as: 1: the formation of new species;