IELTS Free Online Writing Practice - Is deestation the biggest threat to biodiversity?
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IELTS Writing Task 2 Topic: "Is deforestation the biggest threat to biodiversity?"
Model Answer:
Over the past few decades, deforestation has emerged as a significant global environmental issue that poses a severe threat to the world's biodiversity. While there are other factors that contribute to the decline of biodiversity, such as habitat destruction and climate change, it is widely believed that deforestation may be the most pressing problem due to its widespread occurrence and the rapid rate at which it is happening.
To begin with, deforestation has a direct impact on biodiversity by destroying natural habitats of various species. Forests are home to an estimated
80% of Earth's terrestrial biodiversity, and their destruction leads to the loss of many plant and animal species. For example, when forests are cleared for agriculture or logging purposes, numerous species lose their habitats, leading to a decline in the population or even extinction.
Moreover, deforestation also contributes indirectly to biodiversity loss by altering ecosystems and disrupting ecological balances. Forests play a crucial role in regulating local climates, purifying water sources, and providing food and shelter for countless species. When these ecosystems are disrupted or destroyed, the consequences can be far-reaching. For instance, deforestation can lead to soil erosion, loss of water resources, and changes in precipitation patterns, which, in turn, affect the distribution and availability of resources for various species.
In addition, deforestation exacerbates climate change, which is another major threat to biodiversity. Forests act as carbon sinks, absorbing carbon dioxide from the atmosphere and storing it in trees and soil. Deforestation releases large amounts of carbon dioxide into the atmosphere, contributing to the greenhouse effect and global warming. As a result, climate change can lead to shifts in species distribution, changes in migratory patterns, and even extinction of certain species that cannot adapt quickly enough to these alterations.
Although deforestation is undoubtedly a significant threat to biodiversity, it is not the sole factor contributing to this problem. Other factors, such as habitat fragmentation, pollution, and invasive species, also play important roles in driving species extinction. However, given the rapid rate at which deforestation is occurring and its far-reaching consequences on ecosystems and ecological balances, it is reasonable to argue that deforestation is currently one of the biggest threats to biodiversity worldwide.
In conclusion, deforestation poses a severe threat to global biodiversity through direct habitat destruction and indirect effects on ecosystems and climate change. While other factors contribute to the decline of biodiversity, deforestation's widespread occurrence and rapid rate make it one of the most pressing problems we need to address urgently.
Scoring according to IELTS scoring standards:
Task Response:
9 (The response fully addresses all parts of the question prompt and demonstrates a thorough understanding of the topic.)
Coherence and Cohesion:
8.5 (The essay is well-organized, with a clear introduction, body paragraphs, and conclusion. The ideas are logically connected, and the language flow smoothly.)
Lexical Resource:
8 (The vocabulary used is varied and precise. There are a few less common words and phrases that show an advanced understanding of the topic.)
Grammatical Range & Accuracy:
9 (The grammar is accurate and complex, with some use of more advanced structures. There are few errors in tense usage or subject-verb agreement.)
Overall
Band Score:
8.75
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