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海纳百川，有容乃大 维基百科 人人可编辑的自由百科全书 已有262,739篇简易英文条目     欢迎   内容   分类   主题   特色内容   简单版首页   纯文本首页   手机版維基百科 特色条目 Evolution is a scientific theory used by biologists. It explains how animals and plants changed over a long time, and how they have come to be the way they are. Earth is very old, about 4.5 billion years. By studying the layers of rock that make up Earth's crust, scientists can find out about its past. This kind of research is called historical geology. We know that living things have changed over time, because we can see their remains in the rocks. These remains are called 'fossils'. So we know that the animals and plants of today are different from those of long ago. And the further we go back, the more different the fossils are. How has this come about? Evolution has taken place. That evolution has taken place is a fact, because it is overwhelmingly supported by many lines of evidence. At the same time, evolutionary questions are still being actively researched by biologists. The theory of evolution is the basis of modern biology. Nothing in biology makes sense without it. more... Other very good articles – Proposals – Requirements   你知道吗？ From a collection of Wikipedia's articles: ... that by causing over 700,000 deaths per year, mosquitoes (pictured) may be the deadliest threat to humans? ... that before Lyndon B. Johnson became President of the United States, he was a teacher at a Hispanic-majority school near the Mexico–United States border? ... that Chicago was founded in the early 1700s by Jean Baptiste Point du Sable to create a canal for boats to travel between the Great Lakes and the Mississippi River? ... that Grammy Award-winning singer-songwriter Olivia Rodrigo was born half-deaf in her left ear? ... that in the age group of those 15 to 24 years old, about twice as many women hurt themselves than men? ... that at age 35, Daniel Noboa is the youngest person elected as President of Ecuador?   各类条目 Applied sciences Architecture (building) • Communication • Electronics • Engineering • Farming • Health • Industry • Medicine • Transport • Weather People and social studies Anthropology (study of people) • Archaeology (history of civilization) • Geography • Education • History • Language • Philosophy (abstract ideas) • Psychology • Sociology • Teaching Daily life, art and culture Animation • Art • Book • Cooking • Custom • Culture • Dance • Family • Games • Gardening • Leisure (free time) • Movies and films • Music • Radio • Sports • Theater • Travel • Television Natural sciences and maths Algebra • Astronomy (stars and space) • Biology (animals and plants) • Chemistry • Computer science • Earth science • Ecology • Geometry • Mathematics • Physics • Statistics • Zoology (study of animals) Government and law Copyright • Defense • Economics (trade and business) • Government • Human rights • Laws • Military • Politics • Trade Religions and beliefs Atheism • Bahá'í • Buddhism • Christianity • Esotericism • Hinduism • Islam • Jainism • Judaism • Mythology • Paganism • Sect • Sikhism • Taoism • Theology     维基百科是一个内容自由、任何人都能参与、并有多种语言的百科全书协作计划。我们的目标是建立一个完整、准确和中立的百科全书。 所有文字内容在CC-by-sa-3.0协议下发布，任何人都可以在该协议条款的要求下自由使用这些内容。 读者手册 | 走进维基百科   任何人都可以修改维基百科上的内容，但是请遵守我们的方针和指引。 无论是创建新条目，还是编辑现有条目，或者为条目增加一幅插图，您都可以为维基百科做出贡献。 编辑手册 | FAQ   当前有1,541,818名注册用户，其中活跃用户有1,527名。所有这些志愿者通过互助客栈和讨论页进行合作与讨论。或者您也可以用IRC或邮件列表进行沟通。   维基百科由非营利组织维基媒体基金会运作。基金会旗下尚有其他数个多语言、自由内容的維基计划： 元维基 协调各维基计划 维基词典 多语言字典和词典 维基新闻 自由的新闻资源 维基教科书 教科书和手册 维基语录 名人名言的集锦 维基文库 自由的图书馆 维基物种 自由的物种资料库 维基学院 自由的研习社群 维基共享资源 共享的多媒体资料库 其他语言 简易英文维基百科目前有262,739篇条目。 以下列出一些条目数量最多的各语言版本维基百科。 5,000,000 articles or more English  •  Cebuano (Cebuano) 1,000,000 articles or more العربية (Arabic)  •  مصرى (Egyptian Arabic)  •  Deutsch (German)  •  español (Spanish)  •  فارسی (Persian)  •  français (French)  •  italiano (Italian)  •  日本語 (Japanese)  •  Nederlands (Dutch)  •  polski (Polish)  •  português (Portuguese)  •  русский (Russian)  •  svenska (Swedish)  •  українська (Ukrainian)  •  Tiếng Việt (Vietnamese)  •  Winaray (Waray)  •  中文 (Chinese) 500,000 articles or more català (Catalan)  •  нохчийн (Chechen)  •  čeština (Czech)  •  suomi (Finnish)  •  magyar (Hungarian)  •  Bahasa Indonesia (Indonesian)  •  한국어 (Korean)  •  norsk (Norwegian)  •  српски / srpski (Serbian)  •  Türkçe (Turkish)  •  татарча / tatarça (Tatar) 100,000 articles or more Simple English  •  Afrikaans (Afrikaans)  •  asturianu (Asturian)  •  azərbaycanca (Azerbaijani)  •  تۆرکجه (South Azerbaijani)  •  беларуская (Belarusian)  •  български (Bulgarian)  •  বাংলা (Bangla)  •  Cymraeg (Welsh)  •  dansk (Danish)  •  Ελληνικά (Greek)  •  Esperanto (Esperanto)  •  eesti (Estonian)  •  euskara (Basque)  •  galego (Galician)  •  עברית (Hebrew)  •  हिन्दी (Hindi)  •  hrvatski (Croatian)  •  հայերեն (Armenian)  •  ქართული (Georgian)  •  қазақша (Kazakh)  •  Latina (Latin)  •  Ladin (Ladin)  •  lietuvių (Lithuanian)  •  latviešu (Latvian)  •  Minangkabau (Minangkabau)  •  македонски (Macedonian)  •  Bahasa Melayu (Malay)  •  မြန်မာဘာသာ (Burmese)  •  norsk nynorsk (Norwegian Nynorsk)  •  română (Romanian)  •  srpskohrvatski / српскохрватски (Serbo-Croatian)  •  slovenčina (Slovak)  •  slovenščina (Slovenian)  •  தமிழ் (Tamil)  •  тоҷикӣ (Tajik)  •  ไทย (Thai)  •  اردو (Urdu)  •  oʻzbekcha / ўзбекча (Uzbek)  •  粵語 (Cantonese)  •  閩南語 / Bân-lâm-gú (Minnan) List of all Wikipedias – Languages working together – Start a Wikipedia for a new language     若您在维基百科受益良多，请考虑资助基金会添购设备。欲与简易英文版取得联系，请至新闻组或寄送电子邮件。