Final answer:
Pine pollen in the example is analogous to a medium of plant reproduction that can travel long distances, similar to the way plant breeders disperse seeds. It highlights both natural dispersion and human-assisted propagation in plants.
Step-by-step explanation:
In the context of the Brad/Paris and Smurfs example, pine pollen is analogous with a substance or entity that can travel over long distances, thus enabling plant reproduction over wide areas. This can be due to natural mechanisms like wind or through human activities such as when plant breeders carry seeds to different areas. Pine pollen's ability to disperse far is similar to how plant breeders help spread genetic material across different regions. Moreover, since pine was present widely, and in some regions the pollen could have dried out, the analogy also implies that not all pollen or seeds make it to fertile ground, but enough do to ensure species propagation.