[2026] PTE Academic Reading - Multiple Choice, Single Answer

The concept of "rewilding"—the restoration of ecosystems by reintroducing keystone species, particularly apex predators—has gained significant traction among contemporary ecologists. Proponents argue that rewilding can reverse ecological degradation by triggering trophic cascades, which naturally regulate prey populations and encourage biodiversity. A celebrated example is the reintroduction of wolves to Yellowstone National Park, which fundamentally altered grazing patterns and allowed riparian flora to recover. However, this romanticized vision of ecological restoration often underestimates the socioeconomic complexities involved. The sudden reintroduction of large predators poses genuine threats to local agriculture and livestock, sparking fierce resistance from farming communities. Furthermore, ecosystems are deeply dynamic; attempting to artificially reconstruct a historical baseline often ignores the irreversible climatic and environmental shifts that have occurred in the interim. Consequently, while the theoretical promise of rewilding is undeniable, its practical execution demands a more nuanced approach. Conservationists must move beyond the idealistic pursuit of pristine, pre-human landscapes and instead focus on fostering resilient, forward-looking ecosystems that balance ecological health with human socio-economic realities. To view rewilding merely as a time machine for nature is both impractical and scientifically flawed.