autotroph

简明释义

英[ˈɔːtətrəʊf]美[ˈɔːtətroʊf]

n. 自养生物；靠无机物质生存的生物

英英释义

单词用法

同义词

反义词

例句

1.Autotroph: an organism capable of synthesizing its own food from inorganic substances using light or chemical energy. green plants algae and certain bacteria are autotrophs.

自养生物：一种能够从无机物质如光或化学能量中合成出自身食物的有机体。绿色植物，海藻及某些细菌都是自养生物。

2.Autotroph: an organism capable of synthesizing its own food from inorganic substances using light or chemical energy. green plants algae and certain bacteria are autotrophs.

自养生物：一种能够从无机物质如光或化学能量中合成出自身食物的有机体。绿色植物，海藻及某些细菌都是自养生物。

3.Many phytoplankton and autotroph absorb the DIN of the bottom water that decrease content of DIN in bottom water and change the fluxes of the DIN.

在有光的条件下，浮游藻类和一些光自养生物对沉积物水界面溶解态的营养盐的直接吸收，从而减少了上覆水中可与沉积物可交换的营养盐的含量；

4.Nitrate nitrogen removal from ground water by autotroph IC denitrification in a packed bed reactor.

固定床自养反硝化去除地下水中的硝酸盐氮。

5.The cell lost its autotroph ic character and became dependent on added chemical energy sources.

细胞丧失了自养的特性，变成依赖于外加的化学能源生活。

6.The female gametophyte is reduced but larger than in angiosperms; it is not autotroph ic.

裸子植物的雌配子体简化，但较被子植物体的体积大，不能自养。

7.In a typical ecosystem, an autotroph (自养生物) serves as the primary producer, converting sunlight into energy.

在典型的生态系统中，自养生物 (autotroph) 作为主要生产者，将阳光转化为能量。

8.Plants are examples of autotrophs (自养生物) because they can produce their own food through photosynthesis.

植物是自养生物 (autotroph) 的例子，因为它们可以通过光合作用自制食物。

9.Some bacteria are also classified as autotrophs (自养生物) as they can utilize inorganic substances for energy.

一些细菌也被归类为自养生物 (autotroph), 因为它们可以利用无机物质获取能量。

10.The role of autotrophs (自养生物) in the food chain is crucial as they form the base for all other organisms.

在食物链中，自养生物 (autotroph) 的角色至关重要，因为它们为所有其他生物提供基础。

11.Without autotrophs (自养生物), ecosystems would collapse due to the lack of energy sources.

没有自养生物 (autotroph)，生态系统将因缺乏能量来源而崩溃。

作文

In the intricate web of life on Earth, organisms are often classified based on how they obtain their energy and nutrients. One of the most fascinating categories is that of the autotroph, which refers to organisms that can produce their own food from inorganic substances. This ability allows them to thrive in a variety of environments, making them essential components of ecosystems. 自养生物是指能够利用无机物质合成自身所需食物的生物。这种能力使它们能够在多种环境中生存，成为生态系统的重要组成部分。 The most common examples of autotrophs are plants, algae, and certain bacteria. These organisms utilize photosynthesis, a process that converts sunlight into chemical energy. During photosynthesis, they absorb carbon dioxide from the atmosphere and water from the soil, using sunlight to transform these raw materials into glucose and oxygen. This process not only sustains the autotrophs themselves but also produces oxygen, which is vital for the survival of aerobic organisms, including humans. 自养生物最常见的例子是植物、藻类和某些细菌。这些生物利用光合作用，将阳光转化为化学能。在光合作用过程中，它们从大气中吸收二氧化碳，从土壤中吸收水分，利用阳光将这些原材料转化为葡萄糖和氧气。这一过程不仅维持了自养生物自身的生存，还产生了对包括人类在内的需氧生物至关重要的氧气。 Another type of autotroph is the chemosynthetic organism, which derives energy from chemical reactions involving inorganic molecules, such as hydrogen sulfide or ammonia. These organisms are typically found in extreme environments, such as deep-sea hydrothermal vents, where sunlight cannot penetrate. Chemosynthetic autotrophs play a crucial role in their ecosystems by providing energy and organic matter for other organisms, demonstrating that life can exist even in the harshest conditions. 另一种自养生物是化能自养生物，它们通过与无机分子（如硫化氢或氨）发生化学反应来获取能量。这些生物通常生活在极端环境中，例如深海热液喷口，阳光无法到达的地方。化能自养生物在其生态系统中发挥着至关重要的作用，为其他生物提供能量和有机物，证明了生命即使在最恶劣的条件下也能存在。 The significance of autotrophs extends beyond their immediate ecological roles. They are fundamental to the concept of food webs and energy flow in ecosystems. By converting inorganic materials into organic matter, autotrophs form the base of the food chain, supporting herbivores, which in turn support carnivores. This interconnectedness highlights the importance of preserving autotroph populations and their habitats, as their decline could lead to cascading effects throughout the ecosystem. 自养生物的重要性超出了它们直接的生态角色。它们是生态系统中食物网和能量流动概念的基础。通过将无机物质转化为有机物，自养生物形成了食物链的基础，支持草食动物，而草食动物又支持肉食动物。这种相互联系突显了保护自养生物种群及其栖息地的重要性，因为它们的衰退可能导致整个生态系统的连锁反应。 In conclusion, autotrophs are remarkable organisms that play a vital role in sustaining life on Earth. Their ability to produce food from inorganic materials not only supports their survival but also underpins entire ecosystems. Understanding the importance of autotrophs can help us appreciate the delicate balance of nature and the need for conservation efforts to protect these essential organisms. 总之，自养生物是令人惊叹的生物，在维持地球生命方面发挥着至关重要的作用。它们从无机物质中生产食物的能力不仅支持了它们的生存，也支撑了整个生态系统。理解自养生物的重要性可以帮助我们欣赏自然的微妙平衡以及保护这些重要生物的必要性。