I think he had an acident and he forgot or maybe of cycling alot he had this problem
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Introduction In ecology and biology, abiotic components are non-living chemical and physical factors in the environment which affect ecosystems. Biotic describes a living component of an ecosystem; for example organisms, such as plants and animals. Examples Water, light, wind, soil, humidity, minerals, gases.
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The central dogma of molecular biology is an explanation of the flow of genetic information within a biological system. it is often stated as "DNA makes RNA, and RNA makes protein", although this is not its original meaning.This states that once "information" has passed into protein it cannot get out again.
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What brought the most benefits to humanity was probably the discovery of DNA. The history of biology came to be from Egyptian methods of medicines and native traditions.
The answer is qualitative