Difference between revisions 216697 and 220943 on guwiki

{{ભાષાંતર}}

[[ચિત્ર:Biology organism collage.png|thumb|300px|Biology deals with the study of the many varieties of living [[organism]]s. Clockwise from top left: ''[[Salmonella typhimurium]]'', ''[[Phascolarctos cinereus]]'', ''[[Athyrium filix-femina]]'', ''[[Amanita muscaria]]'', ''[[Agalychnis callidryas]]'', and ''[[Brachypelma smithi]]'']]


'''Biology''' is a [[natural science]] concerned with the study of [[life]] and [[organism|living organisms]], including their structure, function, growth, origin, evolution, distribution, and taxonomy.<ref>Based on definition from [http://www.bio.txstate.edu/~wetlands/Glossary/glossary.html Aquarena Wetlands Project glossary of terms.]</ref> Biology is a vast subject containing many subdivisions, topics, and disciplines. Among the most important topics are five unifying principles that can be said to be the fundamental axioms of modern biology:<ref name="avila_biology">{{cite book |author=Avila, Vernon L. |title=Biology: Investigating life on earth |publisher=Jones and Bartlett |location=Boston |year=1995 |pages=11–18|isbn=0-86720-942-9 |oclc= |doi= |accessdate=}}</ref>

# Living organisms consume and transform [[energy]].
# [[cell theory|Cells]] are the basic unit of life
# [[Gene]]s are the basic unit of [[heredity]]
# An organism [[homeostasis|regulates]] its internal environment to maintain a stable and constant condition
# New species and inherited traits are the product of [[evolution]]

Subdisciplines of biology are recognized on the basis of the scale at which organisms are studied and the methods used to study them: [[biochemistry]] examines the rudimentary chemistry of life; [[molecular biology]] studies the complex interactions of systems of biological molecules; [[cellular biology]] examines the basic building block of all life, the [[cell (biology)|cell]]; [[physiology]] examines the physical and chemical functions of the [[tissue (biology)|tissues]], [[Organ (anatomy)|organs]], and [[organ system]]s of an organism; and [[ecology]] examines how various organisms interact and associate with their environment.<ref>[http://community.weber.edu/sciencemuseum/pages/life_main.asp Life Science, Weber State Museum of Natural Science]</ref>

== Notes and references ==
{{Reflist|2}}
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[[શ્રેણી:વિજ્ઞાન]]

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[[ab:Абиологиа]]
[[af:Biologie]]
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[[an:Biolochía]]
[[ar:علم الأحياء]]
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[[az:Biologiya]]
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[[br:Bevoniezh]]
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[[bug:ᨅᨗᨕᨚᨒᨚᨁᨗ]]
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[[te:జీవ శాస్త్రము]]
[[tg:Биология]]
[[th:ชีววิทยา]]
[[ti:ባዮሎጂ]]
[[tl:Biyolohiya]]
[[tpi:Save long laip]]
[[tr:Biyoloji]]
[[tt:Биология]]
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[[ur:حیاتیات]]
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