What describes "quick movement over large distances, often across unsuitable terrain"?

The concept of "quick movement over large distances, often across unsuitable terrain" aligns well with jump dispersal. This term refers to a mode of dispersal that allows organisms to cover vast distances rapidly, bypassing barriers that may be present in their environment. A key characteristic of jump dispersal is that it can occur over regions that are not conducive to the organisms' survival or habitation, making it distinct from other types of dispersal.

For example, certain species may use jump dispersal to migrate to new habitats after being transported by external forces, such as storms or human activity. This type of dispersal is particularly relevant for understanding how invasive species can quickly establish themselves in new areas, often leading to significant ecological changes.

In contrast, diffusion and secular dispersal are processes that involve slower, more gradual spread over time, typically favoring areas that are more suitable as populations expand. Drifting involves passive dispersal, usually by water or air currents, and does not necessarily imply the quick and targeted movement described in the question.

Thus, jump dispersal accurately encapsulates the idea of rapid, extensive movement across challenging landscapes, highlighting its significance in wildlife ecology and species distribution dynamics.