Why is biodiversity important in ecosystems?

Why is biodiversity important in ecosystems?

• A. Biodiversity has no effect on resilience
• B. Biodiversity increases competition and reduces survival
• C. Biodiversity reduces resources
• D. Biodiversity increases resilience, stability, and resources for organisms

Answer: (D)

Having a variety of living things in an ecosystem strengthens how it handles change. Different species perform different roles—pollinators, decomposers, predators, and producers—so energy moves through the system and nutrients get recycled more reliably. When many species are present, the ecosystem is more resilient: if one species declines, others can fill its role, helping the system rebound after disturbances. More biodiversity also supports a stable supply of resources and services for organisms, like food, clean water, and medicines, and helps ecosystems adapt to changes in climate. So biodiversity increases resilience, stability, and resources for organisms.

Having a variety of living things in an ecosystem strengthens how it handles change. Different species perform different roles—pollinators, decomposers, predators, and producers—so energy moves through the system and nutrients get recycled more reliably. When many species are present, the ecosystem is more resilient: if one species declines, others can fill its role, helping the system rebound after disturbances. More biodiversity also supports a stable supply of resources and services for organisms, like food, clean water, and medicines, and helps ecosystems adapt to changes in climate. So biodiversity increases resilience, stability, and resources for organisms.