Zoochorous trees—those whose seeds are dispersed mainly by animals—ar… | Verbal SAT Question

Which choice completes the text with the most logical and precise word or phrase?

Zoochorous trees—those whose seeds are dispersed mainly by animals—are much more prevalent in the Mo Singto plot than in the Tyson Research Center, making species distribution in Mo Singto considerably more . Animal dispersers may congregate at varying distances from parent trees, may carry seeds for varying lengths of time, and may have idiosyncratic spatial trajectories.

symmetrical

iterative

anachronistic

discontinuous