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IELTS Free Online Writing Practice - Discuss the impact of pollution on freshwater ecosystems.

IELTS.WORK Free Online Writing Practice # 1710708667

Task: "Discuss the impact of pollution on freshwater ecosystems."

Model Answer:

Title: The Consequences of Pollution on Freshwater Ecosystems

Introduction (Band Score 4): Freshwater ecosystems, such as lakes, rivers, and wetlands, are vital for the survival of a diverse range of plant and animal species. Unfortunately, human activities have led to an alarming increase in pollution levels in these ecosystems, causing significant damage to their health and biodiversity. This essay will explore the various ways in which pollution impacts freshwater ecosystems and discuss potential solutions to mitigate this problem.

Body (Band Score 4):

1. Effect on Aquatic Life: Pollution can have a detrimental effect on aquatic life in freshwater ecosystems. Toxic chemicals, such as pesticides and heavy metals, can accumulate in the food chain, leading to the contamination of fish and other organisms that humans consume (Paragraph 1 - Band Score 5). Moreover, excessive nutrient pollution from agricultural runoff promotes the growth of algae, which deplete oxygen levels in the water and cause "dead zones" where aquatic life cannot survive (Paragraph 2 - Band Score 4.5).

2. Impact on Ecosystem Balance: Pollution can disrupt the delicate balance of freshwater ecosystems. For example, the introduction of non-native species to control invasive plants or animals often leads to unforeseen consequences as these new organisms outcompete native species for resources (Paragraph 3 - Band Score 4). Furthermore, pollution can affect the reproductive cycles of many species, leading to population declines and loss of biodiversity (Paragraph 4 - Band Score 4.5).

Conclusion (Band Score 4): In conclusion, the consequences of pollution on freshwater ecosystems are far-reaching and have severe implications for both the environment and human well-being. Governments and organizations must implement stricter regulations to minimize pollution and invest in sustainable practices that protect these vital habitats. Only through concerted effort can we preserve the health and diversity of our freshwater ecosystems for future generations.

Total Band Score: 4

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