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IELTS Free Online Writing Practice - Is deestation the biggest threat to biodiversity?

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Writing Task 2 Topic: "Is deforestation the biggest threat to biodiversity?"

Model Answer:

Deforestation is a significant issue that poses a severe threat to the world's biodiversity. It refers to the removal of large areas of forests, often due to agricultural expansion, logging, or urban development. While it is true that deforestation has an enormous impact on ecosystems and the species that inhabit them, other factors such as habitat destruction, pollution, climate change, and over-exploitation also contribute significantly to the decline in biodiversity.

Firstly, deforestation leads to a loss of habitat for numerous plant and animal species. Forests provide essential resources and shelter for countless species, many of which are endemic to specific regions. When forests are cleared or fragmented, these species may lose their homes and face extinction due to the lack of suitable habitats elsewhere. This effect is particularly noticeable in tropical rainforests, home to over 90% of Earth's terrestrial biodiversity.

Secondly, deforestation contributes to climate change, which in turn affects biodiversity. Forests play a crucial role in absorbing carbon dioxide from the atmosphere, mitigating global warming. When large tracts of forests are destroyed or degraded, this capacity is lost, exacerbating climate change. Changes in temperature and precipitation patterns can then disrupt ecosystems and force species to adapt or face extinction.

However, it is essential to acknowledge that other factors also threaten biodiversity. Habitat destruction caused by agricultural expansion, urbanization, and infrastructure development often leads to the fragmentation or disappearance of natural habitats, forcing species to find new homes or perish. Pollution, both air and waterborne, can also have devastating effects on ecosystems, as toxic substances accumulate in the food chain and disrupt the balance of life. Over-exploitation of natural resources, such as overfishing, unsustainable logging, and poaching, further stresses ecosystems and species populations.

In conclusion, while deforestation is undoubtedly a significant threat to biodiversity, it is not the sole factor responsible for the decline in global biodiversity. Other factors such as habitat destruction, pollution, climate change, and over-exploitation also play critical roles. To mitigate these threats, concerted efforts by governments, industries, and individuals are necessary to preserve and restore natural ecosystems, manage resources sustainably, and reduce overall environmental impact.

Band Score: Overall, this essay demonstrates a high level of competence in both grammar and vocabulary (Band 7). The answer is well-organized, with a clear introduction, body paragraphs, and conclusion. However, it could be improved further by providing more specific examples and addressing alternative viewpoints to achieve a Band 8 or 9 score.

Note: This model answer serves as an example of how an IELTS writing task 2 response might look like, but the actual scoring may vary based on the specific criteria used in real exams.

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