If the isocline for species 1 lies above that of species 2, A) species 2 will eventually exclude species 1. B) a stable coexistence of the two species has been established. C) species 1 will eventually exclude species 2. D) an unstable coexistence of the two species has been established. E) all growth trajectories lead to the point where N₂=K₂ and N₁=0.

Question

Quizplus · Accepted Answer

If the isocline for species 1 lies above that of species 2, it means that species 1 has a higher carrying capacity than species 2 for the resources available in the environment. This suggests that species 1 is a stronger competitor than species 2 and is more efficient at utilizing the available resources. As a result, species 1 will eventually exclude species 2 in the long term. Therefore, the best choice is C.

If the Isocline for Species 1 Lies Above That of Species