if an individual Species gets extind, how does it influence the
biodiversity of the earth ? Explain
an examples answers in (100 to 150 words)
Answers
Answer:
Even though permanent global species loss is a more dramatic phenomenon than regional changes in species composition, even minor changes from a healthy stable state can have dramatic influence on the food web and the food chain insofar as reductions in only one species can adversely affect the entire chain (coextinction), leading to an overall reduction in biodiversity, possible alternative stable states of an ecosystem notwithstanding. Ecological effects of biodiversity are usually counteracted by its loss. Reduced biodiversity in particular leads to reduced ecosystem services and eventually poses an immediate danger for food security, also for humankind.
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Answer:
Earth’s ecosystems have evolved for millions of years, resulting in diverse and complex biological communities living in balance with their environment. Since the 16th century, human activity has impacted nature in practically every part of the world, wild plants and animals are at risk of extinction, deforestation and land degradation are causing water scarcity and erosion, and climate change leads to acidification of oceans.
Biodiversity loss is the extinction of species (plant or animal) worldwide, and also the local reduction or loss of species in a certain habitat.
Over the past 50 years, humans have changed ecosystems more rapidly than ever before; 60% of ecosystems are degraded and often over-exploited, and pressures on nature are increasing despite the growing number of responses to tackle biodiversity loss.