n.原生生物

Protists are eukaryotic organisms that form the single-celled domain of life.
原生生物是单细胞生命形式的真核生物。
Many protists, like amoebas, feed on bacteria and other microorganisms.
许多原生生物，如变形虫，以细菌和其他微生物为食。
Some protists have a flagellum, which aids in their movement through water.
一些原生生物有鞭毛，有助于它们在水中移动。
Protists can be found in freshwater, marine, and even terrestrial environments.
原生生物存在于淡水、海洋甚至陆地环境中。
The green algae, a type of protist, is a primary producer in aquatic ecosystems.
绿藻，一种原生生物，是水生生态系统的初级生产者。
Protists exhibit a wide range of reproductive strategies, from binary fission to sexual reproduction.
原生生物展示了从二分裂到性繁殖等各种生殖策略。
Some protists have developed complex social structures, like colonial forms or slime molds.
一些原生生物形成了复杂的社会结构，如群体形态或粘液霉。
Researchers study protists for their role in nutrient cycling and disease transmission.
研究人员研究原生生物在营养循环和疾病传播中的作用。
Protists are an essential part of the food chain, serving as a food source for many higher organisms.
原生生物是食物链的重要组成部分，为许多高级生物提供食物。
Despite their simple appearance, protists exhibit remarkable diversity and adaptability.
尽管原生生物外表简单，但它们表现出惊人的多样性和适应性。