NPTEL Wildlife Ecology Complete Practice Exam 2025

Habitat loss is a significant issue that has widespread implications for wildlife and ecosystem dynamics. The primary consequence of habitat loss is a decrease in wildlife populations. When natural habitats are destroyed or altered, the various species that depend on those environments for food, shelter, and breeding are adversely affected. This disruption can lead to reduced populations as animals are forced to compete for limited resources, and as their natural behaviors and life cycles are interrupted.

As habitats shrink or are fragmented, species become more vulnerable to a range of threats, including predation, disease, and genetic bottlenecks. This decline in wildlife populations can ripple through the ecosystem, affecting plant communities and leading to reduced biodiversity. Consequently, the loss of habitat ultimately compromises the entire ecosystem's ability to function and maintain its stability.

In contrast, options that suggest an increase in ecosystem stability or a decrease in species extinction rates are generally contrary to the well-documented effects of habitat loss. Instead of enhancing habitats, loss usually degrades them, leading to a detrimental impact on wildlife populations.