IELTS.WORK

IELTS Free Online Writing Practice - Discuss the impact of ocean acidification on marine life.

IELTS.WORK Free Online Writing Practice # 1712717670

IELTS Writing Task 2 Topic: Discuss the impact of ocean acidification on marine life.

Model Answer:

Ocean acidification is a growing concern for marine ecosystems worldwide, as rising levels of carbon dioxide in the atmosphere lead to increased acidity in our oceans. This phenomenon has far-reaching consequences for marine life, affecting various species and ecosystems in diverse ways. In this essay, we will explore the impact of ocean acidification on marine organisms such as shellfish, phytoplankton, and coral reefs, as well as the broader implications for food chains and biodiversity.

Firstly, ocean acidification has a significant impact on shellfish and other calcifying organisms. These species rely on calcium carbonate to form their shells and skeletons. However, the increasing acidity of seawater makes it more difficult for these creatures to build and maintain their protective structures, leading to weaker shells and skeletons. This is particularly detrimental to shellfish, such as oysters and clams, which are already facing challenges from overfishing, pollution, and habitat loss.

Secondly, phytoplankton, the microscopic plants that form the base of the marine food chain, are also affected by ocean acidification. These algae play a critical role in absorbing carbon dioxide and producing oxygen through photosynthesis. However, research has shown that increased acidity can hinder their growth and reproduction, leading to a decline in the overall health of phytoplankton populations. Consequently, this has a ripple effect on the entire marine food chain, as these tiny plants are a primary source of nutrition for many species of zooplankton, small fish, and even larger marine animals.

Coral reefs, another vital component of marine ecosystems, are also at risk from ocean acidification. Corals rely on calcium carbonate to build their skeletons and provide a structure for the diverse range of species that call these reefs home. As ocean acidity increases, the ability of coral to produce new skeletal material is hindered, leading to weaker structures and an increased vulnerability to diseases and storm damage. This weakened state not only endangers the coral itself but also the countless other organisms that depend on these complex ecosystems for survival.

In conclusion, ocean acidification presents a serious threat to marine life worldwide, with significant consequences for shellfish, phytoplankton, and coral reefs. The knock-on effects of these impacts are far-reaching, as the health and diversity of marine ecosystems are integral to maintaining a balanced and resilient food chain. As such, it is essential that we continue to research and address the causes of ocean acidification and work collaboratively towards mitigating its damaging effects on our world's oceans.

Score (based on IELTS scoring standards):

Task Response: 9
Coherence and Cohesion: 8.5
Lexical Resource: 8.5
Grammatical Range & Accuracy: 9

Source: https://www.ielts.work/?id=1712717670&page=ielts-writing-practice

For more: https://www.ielts.work/?page=ielts-writing-practice