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.

Please contribute to this project, if you have more information about this term feel free to edit this page

Results from our forum

Re: human brain size

... of the brain and the amount of neural connections within a brain that could tell you more about the possible level of intelligence of an organism than just size alone. :) I doubt that the capacity of human intelligence has gone down the last 30.000 years, in fact, due to increase in knowledge ...

See entire post
by Semisane
Tue Mar 03, 2015 9:51 am
Forum: Evolution
Topic: human brain size
Replies: 1
Views: 493

Locomotory Evolution

... body plan other than the ability to be more active is that the sense organs and nervous system can be situated anteriorly. This enables the organism to react more quickly to stimuli and as the head reason will be the first to experience a new environment (think about a worm sticking its ...

See entire post
by Youngji
Sun Feb 01, 2015 12:36 pm
Forum: Evolution
Topic: Locomotory Evolution
Replies: 1
Views: 1486

Biological Immortality and Immortalised Cell lines

... cell lines are often used in biotechnology as a cost-effective way of growing cells with similar property of those found in a multicellular organism in vitro. Immortalised cell lines are widely used as a simple model for complex biological systems, and for the analysis of the biochemistry and ...

See entire post
by 2444256703
Thu Jan 22, 2015 8:58 am
Forum: Cell Biology
Topic: Biological Immortality and Immortalised Cell lines
Replies: 0
Views: 709

Stem Cells and Cell division?

I. Stem cells are central to three processes in an organism: development, repair of adult tissue and cancer. A. Stem cells in mammalian development The zygote is the ultimate stem cell. It is totipotent with the ability to produce all the cell types ...

See entire post
by RZachary1
Wed Jan 14, 2015 5:51 am
Forum: Cell Biology
Topic: Stem Cells and Cell division?
Replies: 6
Views: 5380

Virus Questions [Science Fiction]

... nothing that can't be solved by blurring the line between cell and virus . I think the most believable scenario is that it's a normal cellular organism that evolved from a virus, but still depends on a viral phase to infect hosts for reprocution, somewhat like how plants gradually transitioned ...

See entire post
by wildfunguy
Wed Dec 03, 2014 12:31 am
Forum: Microbiology
Topic: Virus Questions [Science Fiction]
Replies: 3
Views: 1463
View all matching forum results

This page was last modified 12:06, 17 June 2008. This page has been accessed 349,749 times. 
What links here | Related changes | Permanent link