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

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

Model Answer:

Deforestation has been a significant concern in recent years due to its severe impact on ecosystems and loss of biodiversity. While it is undoubtedly one of the major factors contributing to the decline of various species and habitats, it may not necessarily be the biggest threat to global biodiversity. This essay will argue that climate change and pollution are equally or even more damaging to biodiversity as they affect a wider range of ecosystems and species, not just those in forested areas.

To begin with, deforestation, which involves clearing large areas of forests for agriculture, livestock grazing, and urban development, has led to habitat destruction for numerous plant and animal species. The loss of natural habitats results in the decline or extinction of species that rely on these environments for survival. For instance, the Amazon rainforest is home to over 400 billion individual trees representing more than 16,000 species. When these forests are cut down, not only are thousands of plant and animal species directly affected but also the intricate web of ecosystems they support.

However, climate change poses a threat to biodiversity on a global scale. Changes in temperature, precipitation patterns, and extreme weather events caused by human-induced climate change affect not just forested areas but all ecosystems worldwide. For example, polar bears are facing the threat of habitat loss as sea ice in the Arctic melts due to rising temperatures. Moreover, rising ocean temperatures lead to coral bleaching, which destroys coral reefs and the countless marine species that depend on them.

Pollution is another critical factor impacting biodiversity. Air, water, and soil pollution caused by industrialization, urbanization, and improper waste disposal harm a wide range of ecosystems and species. For instance, ocean pollution due to plastic waste has led to the entanglement or ingestion of plastics by marine animals, causing injury or death. Furthermore, water pollution from agricultural runoff and industrial wastewater discharge threatens aquatic life and disrupts the balance of freshwater ecosystems.

In conclusion, although deforestation is undoubtedly a significant threat to biodiversity, it may not be the most critical factor affecting it. Climate change and pollution affect an even broader range of ecosystems and species, making them equally or perhaps more damaging to global biodiversity than deforestation alone. Therefore, concerted efforts must be made to combat these environmental challenges to preserve the incredible diversity of life on Earth.

Score: Band 9 - This essay demonstrates a comprehensive understanding of the topic, with relevant and varied examples used to support the argument. The language used is cohesive, and the structure of the essay is well-organized, making it easy for the reader to follow the author's line of reasoning.

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