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IELTS Free Online Writing Practice - Write an essay on the Is deestation the biggest threat to biodiversity?

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Task: Write an essay on the topic "Is deforestation the biggest threat to biodiversity?"

Model Answer:

In recent years, deforestation has been recognized as one of the most significant factors contributing to the decline in global biodiversity. While it is true that deforestation poses a serious threat to the environment and ecosystems, it may not necessarily be considered the single greatest risk to biodiversity.

To begin with, deforestation has undoubtedly caused irreversible damage to many species' habitats. Forests are home to a vast number of plants and animals that have co-evolved over millions of years. When these forests are destroyed, not only are the living organisms at risk but also the delicate balance of ecosystems is disrupted. Additionally, deforestation contributes significantly to climate change, as forests play a crucial role in carbon sequestration. This process, where plants absorb and store carbon dioxide from the atmosphere, helps maintain Earth's temperature and weather patterns. As trees are cut down and burned, or left to rot on the forest floor, the stored carbon is released back into the atmosphere, exacerbating global warming.

However, it is important to consider other factors that threaten biodiversity. Habitat destruction due to agricultural expansion, urbanization, and mining activities also contribute significantly to species loss. Pollution from industries and transportation systems not only endangers terrestrial life but also affects aquatic ecosystems. Climate change, caused by human activities such as the burning of fossil fuels and deforestation itself, leads to changes in weather patterns, sea levels, and ocean acidification, which can disrupt the delicate balance of ecosystems worldwide. Furthermore, invasive species introduced to new environments can outcompete native flora and fauna for resources, leading to a decline in biodiversity.

In conclusion, while deforestation is a major threat to biodiversity, it is not the sole factor contributing to the decline of Earth's diverse ecosystems. Other factors such as habitat destruction, pollution, and climate change also play significant roles in the loss of species and overall reduction in global biodiversity. To effectively combat this issue, a multifaceted approach that considers all these factors is necessary.

Score: Band 9

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