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IELTS Free Online Writing Practice - Overfishing is considered to be the greatest threat to marine ecosystems. To what extent do you agree or disagree with this statement?

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Task 2 Writing Topic:Overfishing is considered to be the greatest threat to marine ecosystems. To what extent do you agree or disagree with this statement?

Model Answer:

Overfishing, as a significant issue affecting marine ecosystems, has gained attention in recent years due to the detrimental effects it poses on the balance of these delicate systems. While overfishing is indeed a critical factor that threatens marine ecosystems, it is essential to recognize that other factors such as climate change, pollution, and habitat destruction also contribute significantly to the degradation of these environments.

Overfishing has several negative consequences for marine ecosystems. Firstly, when fish populations are overexploited, the natural balance within these ecosystems is disrupted. Predatory fish that rely on a healthy stock of prey species to survive may be significantly impacted, leading to a ripple effect throughout the food chain. This can result in the decline or disappearance of certain species and alterations in the behavior and distribution of others.

Secondly, overfishing can lead to a decrease in biodiversity within marine ecosystems. As fish populations become depleted, the variety of species that depend on them for food or as predators is also affected. This loss of biodiversity weakens the resilience and adaptability of these ecosystems, making them more vulnerable to other threats such as climate change and ocean acidification.

On the other hand, it is important to consider the roles that other factors play in damaging marine ecosystems. Climate change, for instance, has led to rising sea temperatures, which have caused coral bleaching events and the subsequent decline of reef ecosystems. Additionally, pollution from land-based sources such as plastic waste, agricultural runoff, and chemical contamination can have severe impacts on marine life, often leading to diseases or deformities in affected species. Habitat destruction due to coastal development or other human activities also poses a significant threat to marine ecosystems, altering the natural habitats of many species and reducing their ability to adapt to environmental changes.

In conclusion, while overfishing is undeniably a substantial threat to marine ecosystems, it is crucial to acknowledge that it is not the sole factor contributing to the decline of these delicate systems. Climate change, pollution, and habitat destruction all play significant roles in degrading marine environments. To address this multifaceted problem effectively, concerted efforts must be made at both local and global levels to mitigate these factors and protect our oceans for future generations.

Score: Band 7.5 (The response demonstrates a clear understanding of the question and presents a well-structured and coherent argument, but may contain some errors or lacks some clarity in parts.)

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