Correct Option: B. Habitat restoration Detailed Explanation Why Habitat Restoration is the Correct Answer:

1. Definition of Habitat Restoration: Habitat restoration involves the process of returning a degraded or destroyed ecosystem to a stable, healthy state. This can include replanting native vegetation, removing invasive species, and rehabilitating soil and water quality.
2. Promoting Biodiversity: Biodiversity refers to the variety of life in a particular habitat or ecosystem. Habitat restoration is effective in promoting biodiversity because it creates conditions that support a wide range of species. By restoring natural habitats, we provide the necessary resources (food, shelter, breeding sites) that various organisms need to thrive.
3. Ecosystem Services: Healthy ecosystems provide essential services such as pollination, water purification, and carbon sequestration. By restoring habitats, we enhance these services, which in turn supports both wildlife and human communities.
4. Case Studies: Numerous studies have shown that restored habitats can support higher levels of biodiversity compared to degraded areas. For example, reforestation projects often lead to the return of native species and the re-establishment of ecological interactions that are vital for ecosystem health.

Why the Other Options are Incorrect or Weaker: A. Monoculture Farming: - Definition: Monoculture farming is the agricultural practice of growing a single crop species over a wide area for many consecutive years. - Impact on Biodiversity: This practice is detrimental to biodiversity because it reduces habitat complexity and eliminates the variety of species that would normally coexist in a diverse ecosystem. Monocultures can lead to soil degradation, increased vulnerability to pests, and a decline in ecosystem resilience. C. Urbanization: - Definition: Urbanization refers to the increasing population in urban areas, leading to the expansion of cities and towns. - Impact on Biodiversity: Urbanization typically results in habitat destruction, fragmentation, and pollution, which severely threaten local wildlife. While urban areas can incorporate green spaces, the overall effect of urbanization is a net loss of biodiversity. D. Pesticide Application: - Definition: Pesticides are chemicals used to kill pests that threaten crops and livestock. - Impact on Biodiversity: The application of pesticides can have harmful effects on non-target species, including beneficial insects like pollinators, birds, and aquatic life. This can lead to declines in populations and disrupt food webs, ultimately reducing biodiversity. Summary of Key Points

• Habitat restoration is the most effective practice for promoting biodiversity as it revitalizes ecosystems and supports a variety of species.
• Monoculture farming reduces biodiversity by simplifying ecosystems and making them more vulnerable to pests and diseases.
• Urbanization leads to habitat loss and fragmentation, negatively impacting local wildlife.
• Pesticide application can harm beneficial species and disrupt ecological balance, further threatening biodiversity.

By focusing on habitat restoration, we can create healthier ecosystems that support a rich diversity of life, which is essential for the sustainability of our planet.