Dictionary » O » Organism



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.


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

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Isogamous organisms

I was looking for a type of organism in which the was no differentiation between the gametes, both are 100% identical (of course, there could be mutations, but no allele differentiation in matching-type regions, like the positive + and ...

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by jaumzaum
Thu Oct 02, 2014 11:47 pm
Forum: General Discussion
Topic: Isogamous organisms
Replies: 0
Views: 26

Re: Science vs. Science Fiction, non-scientist needs help

... How "intelligent" would they be? This is the major concern that I have. The sole objective of most *unicellular* organisms (such as bacteria) is to grow as fast as possible. This allows organisms to outcompete the slower growing ones eventually. It is difficult ...

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by sosippus
Wed Sep 24, 2014 8:16 pm
Forum: Microbiology
Topic: Science vs. Science Fiction, non-scientist needs help
Replies: 2
Views: 778


... top, microaerophile in middle and anerobic at bottom. It will work well with culturable bacteria. I am not sure will it work with eukaryotic microorganisms or not. This is a cool idea. However, this doesn't help me either. I am looking for information already known, and I would like to have specific ...

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by sosippus
Wed Sep 24, 2014 7:44 pm
Forum: Microbiology
Topic: Oxygen requirements of eukaryotes
Replies: 3
Views: 337

Re: Definition of Parasite and embryos

I think I'm going with this definition. American Heritage Dictionary Parasite 1. Biology An organism that lives and feeds on or in an organism of a different species and causes harm to its host. ( of a different species ) With emphasis. https://www.ahdictionary.com/word/search.html?q=parasite

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by Knightomite
Thu Sep 11, 2014 6:43 pm
Forum: General Discussion
Topic: Definition of Parasite and embryos
Replies: 17
Views: 10820

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: 5
Views: 789
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