Read the following passage and choose the correct word or phrase that best fits each of the numbered blanks
Ecosystems play a crucial role in supporting life on Earth and maintaining ecological harmony. (1) , they consist of interacting components, including living organisms, their physical surroundings, and the relationships between them. One of the key features of a healthy ecosystem is (2) . This includes the variety of species present in an area, from plants and animals to microorganisms. Biodiversity contributes to the resilience of ecosystems and their ability to adapt to changes. Human activities, such as deforestation and pollution, can have detrimental effects on ecosystems. (3) , deforestation can lead to the loss of habitat for many species, disrupting the balance within an ecosystem. It is essential to consider the environmental impact of human actions to preserve the integrity of ecosystems. Conservation efforts are crucial for (4) . This involves protecting natural habitats, implementing sustainable practices, and raising awareness about the importance of biodiversity. Conservation helps prevent the extinction of species and promotes the overall well-being of the ecosystem. Ecosystem services, such as water purification, pollination, and climate regulation, highlight the interconnectedness of living organisms and their environment. As a result, (5) .
In conclusion, understanding and preserving the delicate balance of ecosystems are essential for the health of our planet. (6) , we can contribute to the sustainability of the ecosystem for future generations.

Read the following passage and choose the correct answer to each of the following questions.

Vietnam has made significant efforts to preserve the diversity of its ecosystem, recognizing the importance of maintaining a healthy environment for the well-being of its people and the sustainability of its natural resources. The country is home to a rich and diverse range of ecosystems, including lush forests, pristine coastal areas, and unique wetlands.
One notable initiative in Vietnam is the establishment of national parks and nature reserves. These protected areas serve as havens for a wide variety of plant and animal species, allowing them to thrive and maintain their ecological balance. Examples of such protected areas include Cuc Phuong National Park, Cat Tien National Park, and Ha Long Bay, which are not only important for preserving biodiversity but also allure tourists from around the world. Additionally, Vietnam has taken steps to address environmental challenges and promote sustainable practices. The government has implemented policies and regulations to control deforestation, protect endangered species, and promote sustainable fishing practices. There are also ongoing efforts to raise awareness about the importance of preserving the ecosystem among the general public and local communities. Vietnam's commitment to preserving the diversity of its ecosystem extends beyond its borders. The country actively participates in international conservation initiatives and cooperates with other nations to combat climate change and protect vulnerable ecosystems. This collaboration is crucial in addressing global environmental issues and ensuring the long-term sustainability of the planet.
(Adapted from Insider)

Choose the correct arrangement of the sentences to make a meaningful paragraph/letter

a. In addition to providing food for themselves, plants are a fundamental source of nutrition for herbivores, which form the second trophic level in the ecosystem.
b. In conclusion, the multifaceted contributions of plants highlight their crucial role in maintaining the balance and sustainability of the ecosystem.
c. Furthermore, plants contribute to the water cycle by absorbing water from the soil and releasing it into the atmosphere through a process called transpiration.
d. Plants play a vital role in the ecosystem by serving as the primary producers in the food chain.
e. Secondly, the oxygen released during photosynthesis is essential for the survival of many organisms, including animals and humans.
f. Firstly, they capture sunlight through photosynthesis, converting it into energy for their growth and development.

a. Secondly, these ecosystems play a vital role in supporting agriculture, providing essential resources for the livelihoods of millions of people.
b. Additionally, the intricate balance within these environments fosters a sustainable and resilient ecosystem.
c. Moreover, the diverse ecosystems contribute significantly to tourism, attracting visitors who seek to explore Vietnam's stunning landscapes and observe its unique flora and fauna. Best wishes
d. Dear Jenny, I hope this letter finds you well. I am writing to emphasize the crucial importance of the ecosystem in Vietnam, a matter that warrants our attention and concerted efforts.
e. Furthermore, ecosystems act as a natural buffer against the impacts of climate change because they help regulate temperature, absorb carbon dioxide, and mitigate the effects of extreme weather events.
f. Firstly, the biodiversity within Vietnam's ecosystems is unparalleled, contributing to the nation's rich and unique natural heritage.

a. Another important measure is launching laws and regulations that ban hunting or harming species in danger of extinction. Those who break the laws will be fined or strictly punished.
b. There are several ways to protect endangered species and ensure their survival.
c. Last but not least, it is necessary to raise people’s awareness of the importance of endangered species protection. When people understand the value of these creatures and the need to protect them, they are more likely to support conservation organizations.
d. One of the key ways to protect them is by preserving their natural habitats. This means ensuring that their homes, such as forests, oceans or wetlands, are kept safe from destruction and pollution.
e. In short, by preserving natural habitats, passing laws, and educating people, we can contribute to saving endangered species and ensuring our planet’s biodiversity for generations.