<span>It is possible with weight loss and exercise to discontinue the use of antidiabetic medication.</span>
Vestigial structures are often homologous to structures that are functioning normally in other species. Therefore, vestigial structures can be considered the evidence for evolution, the process by which beneficial heritable traits arise in populations over an extended period of time.
This seems rather vague, the question is most likely referring to parasitic relationships.<span />
These 3 things occur on the plate boundaries (area between plates).