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Organism

Definition

noun, plural: organisms

(Science: Biology)

An individual living thing that can react to stimuli, reproduce, grow, and maintain homeostasis. It can be a virus, bacterium, protist, fungus, plant or an animal.


Supplement

Word origin: Greek organon = instrument.
Related forms: organismic (adjective), organismal (adjective), organismically (adverb).
Synonym: living thing, living being, individual.


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Results from our forum


Chicken or egg formed first

... prokaryotes. Up to invertebrate has egg laying capability. If we considering the question egg or chicken formed first, we can change it into organism or their reproductive structure (egg) formed first, if we dig the phylogeny of chicken we end up in prokaryotes which is an organism with no ...

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by josem
Thu Jul 17, 2014 7:14 pm
 
Forum: Evolution
Topic: Chicken or egg formed first
Replies: 3
Views: 304

Microevolution verus Macroevolution

... macro evolution. Surely any life form large enough to contain genes would evolve in exactly the same way? The genes don't really care how big an organism is going to grow. Their job is simply to provide the blue print for the morphology of the animal. Look at a great Dane and a chihuahua. And ...

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by animartco
Sun Jul 06, 2014 3:17 pm
 
Forum: Evolution
Topic: Microevolution verus Macroevolution
Replies: 16
Views: 20661

Cannibalistic fishes in lake inside cave

... population has to age and many die before there is room for more fry to grow. Either the fish themselves would eat the dead fish, or some other organism in the cave would, which would probably in turn be eaten by the fish. If there is nothing in the cave capable of ingesting dead fish then the ...

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by animartco
Tue May 27, 2014 1:37 pm
 
Forum: Zoology Discussion
Topic: Cannibalistic fishes in lake inside cave
Replies: 2
Views: 702

Re: holographic origin of life

Further proposed experimental testing: A If a living organism is a sum of automaton chemical reactions, then the components of food intake are the first substrates and the excreted products are the last elements. By changing the food and also the pace ...

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by minasole
Wed Apr 30, 2014 6:26 pm
 
Forum: Evolution
Topic: holographic origin of life
Replies: 13
Views: 16496

Evolutionary psychology

... aspects of "instinct" would be helpful to some people in better understanding emotion. Instinct is "an inherited tendency of an organism to behave in a certain way, usually in reaction to its environment and for the purpose of fulfilling a specific need..." American Heritage ...

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by 1300
Mon Apr 28, 2014 12:50 am
 
Forum: Evolution
Topic: Evolutionary psychology
Replies: 0
Views: 506
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