GRE Reading Comprehension: OG/PP2-GRE阅读OG/PP2 - VEC94MC6CS69B42OP

The author of the passage is primarily concerned with A. discussing different approaches biologists have taken to testing theories about the distribution of plants in Hawaii B. discussing different theories about the transport of plant seeds to Hawaii C. discussing the extent to which air currents are responsible for the dispersal of plant seeds to Hawaii D. resolving a dispute about the adaptability of plant seeds to bird transport E. resolving a dispute about the ability of birds to carry plant seeds long distances