- Individual living thingAn organism is an individual living thing. It is easy to recognize a living thing, but not so easy to define it. Animals and plants are organisms, obviously. Organisms are a biotic, or living, part of the environment. Rocks and sunshine are parts of the non-living environment.simple.wikipedia.org/wiki/Organism
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An organism is defined in a medical dictionary as any living thing that functions as an individual. Such a definition raises more problems than it solves, not least because the concept of an individual is also difficult. Many criteria, few of them widely accepted, have been proposed to define what is an organism. Among … 展开
The term "organism" (from the Ancient Greek ὀργανισμός, derived from órganon, meaning instrument, implement, tool, organ of sense or … 展开
A unicellular organism is a microorganism such as a protist, bacterium, or archaean, composed of a single cell, which may contain functional structures called organelles.
A multicellular organism such as an animal, 展开All organisms that exist today possess a self-replicating informational molecule (genome), and such an informational molecule is likely intrinsic to life. Thus, the earliest organisms also … 展开
• "The Tree of Life". Tree of Life Web Project.
• "Indexing the world's known species". Species 2000. aims to enumerate all known species. 展开Among the criteria that have been proposed for being an organism are:
• autonomous reproduction, growth, and metabolism
• noncompartmentability … 展开Viruses
Viruses are not typically considered to be organisms, because they are incapable of autonomous reproduction, growth, metabolism, or homeostasis. Although viruses have a few enzymes and molecules like those in … 展开CC-BY-SA 许可证中的维基百科文本 Largest organisms - Wikipedia
This article lists the largest organisms for various types of life and mostly considers extant species, which found on Earth can be determined according to various aspects of an organism's size, such as: mass, volume, area, length, height, or even genome size. Some organisms group together to form a superorganism (such as ants or bees), but such are not classed as single large …
Wikipedia · CC-BY-SA 许可下的文字Organism - Simple English Wikipedia, the free encyclopedia
网页Organisms are a biotic, or living, part of the environment. Rocks and sunshine are parts of the non-living environment. Organisms usually have six basic needs to continue their …
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Microorganism - Wikipedia
网页The organisms involved include pathogenic bacteria, causing diseases such as plague, tuberculosis and anthrax; protozoan parasites, causing diseases such as malaria, sleeping sickness, dysentery and …
生物 - 维基百科，自由的百科全书
网页生物（英語： organism ）又称生物体（living organism） [1] 、有機體、机体，是指任何以“单一实体”运作的有机生命系统 [2] ，或在自然界中具有生命能表现生命现象（代谢、生长、发育、感应、运动、生殖）的个体。
模式生物 - 维基百科，自由的百科全书
网页模式生物 （英語： model organism）是指受到廣泛研究，對其生物現象有深入了解的 物種。. 根據從這些物種所得的科學研究結果，可以歸納出一些涵蓋許多 生物 的模型，並應用在各領域的研究。. 利用不同的模式生物來進 …
Microorganism - Simple English Wikipedia, the free encyclopedia
网页A micro-organism or microbe is an organism which is microscopic, which means so small that people cannot see them with the naked eye. The study of microorganisms is called …
Biological classification - Simple English Wikipedia, the free …
网页Biological classification is how biologists group organisms. The classification has its root in the work of Aristotle who invented a multi-ranked system. A great influence was …
Lists of organisms by population - Wikipedia
网页This is a collection of lists of organisms by their population. While most of the numbers are estimates, they have been made by the experts in their fields. Species population is a …
Organism - Definition, Types and Examples | Biology Dictionary
网页2017年4月28日 · An organism is a single individual, or being. While it may have many separate parts, the organism cannot survive without the parts, as the parts cannot …
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