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Dictionary » P » Protozoa

Protozoa

Definition

noun, singular: protozoon

Eukaryotic organisms belonging to a group characterized for being single-celled, most of them motile and heterotrophic.


Supplement

In a five-kingdom scheme of classifying organisms, they belong to a taxonomic group within Kingdom Protista, and typically divided on the basis of their means of locomotion: Flagellates (e.g. Giardia lambdia), Amoeboids (e.g. Entamoeba histolytica), Sporozoans (e.g. Plasmodium knowlesi), Apicomplexa, Myxozoa, Microsporidia, and Ciliates (e.g. Balantidium coli).


Word origin: from Greek protohi = first and zoa = animals

Related forms: protozoan (noun or adjective), protozoic (adjective).

See also: protista.


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Re:

... attract to each other then connect together only one way, resulting in a reproducible design . Observing microscopic single celled hay infusion protozoa show instinctive behavior inherent to design that may not in itself be memory driven intelligence. New designs at the multicellular level are ...

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by GaryGaulin
Sat Apr 11, 2009 1:58 am
 
Forum: General Discussion
Topic: Intelligent Design?
Replies: 27
Views: 2317

Cell Osmosis Question

... the cell would be less negative compared to the fresh water, which would cause the cell to burst. So the solution would be hypotonic. Also i think Protozoa actually lack a rigid cell wall so their cell would burst instead of becoming turgid.

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by Daniel01
Wed Nov 19, 2008 5:15 pm
 
Forum: Cell Biology
Topic: Cell Osmosis Question
Replies: 1
Views: 1054

Cell Osmosis Question

Question A protozoa that normally lives in the ocean is placed in a freshwater fish tank. What would happen to the water balance in the cell? Use the terms osmosis, turgor, cell membrane, hypertonic or hypotonic. Describe what ...

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by gorgy104
Sun Nov 16, 2008 5:16 pm
 
Forum: Cell Biology
Topic: Cell Osmosis Question
Replies: 1
Views: 1054

Re: Dangerous Protozoa

Naegleria fowleri are thermophelic amoebae. They enter through the nasal passage and then infect the CNS of those who may dive into or swim in warm fresh waters, such as shallow lakes, ponds, some streams and rivers and poorly treated swimming pools. They are usually quite prolific when water temps....

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by Ken Ramos
Thu Sep 25, 2008 2:01 am
 
Forum: Microbiology
Topic: Dangerous Protozoa
Replies: 5
Views: 1399

Re: Dangerous Protozoa

If I am not wrong, that protozoa can destroy our brain and will result in death

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by F4T32008
Mon Aug 25, 2008 10:23 am
 
Forum: Microbiology
Topic: Dangerous Protozoa
Replies: 5
Views: 1399
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