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35 Examples of Protozoa

Protozoa are organisms of microscopic, unicellular type of composition identical to each other. They inhabit humid sites or aquatic sites .

From the etymological point of view, the word protozoo is composed of two words: “proto” which means the first and “zoo” which means animal .

This type of microorganism can be visualized through a microscope. They can grow up to one millimeter. Currently, about 50,000 species of protozoa have been found . Their function is to control bacterial cells .

They reproduce in two ways :

  • Asexual reproduction (by bi-partition)
  • Reproduction sexual which in turn can be distinguished by:
    • Conjugation. Reproduction occurs through the exchange of different genetic material between one cell and another.
    • Isogametes. This type of reproduction occurs when a cell copulates with another cell that contains the same genetic material as the first one.

Examples of protozoa (parasites)

To be able to give examples of protozoa it is necessary to make a distinction of 4 different types of protozoa.

Flagellated Protozoa

It has an elongated shape and has a kind of tail that is called flagella although its mobility is usually very small. It can be present in vertebrates and invertebrates. In the case of humans, it is the cause of Chagas disease. Some examples:

  1. Trypanosoma Cruzi .
  2. Euglena .
  3. Trichomonas
  4. Schizotrypanum
  5. Giardia
  6. Volvox
  7. Noctiluca
  8. Trachelomonas
  9. Pediastrum
  10. Naegleria

Ciliated protozoa

They live in stagnant fresh waters: lagoons or pools of water where a great variety of organic matter is found. Some examples:

  1.  Paramecium. They move through short structures like small hairs.
  2. Balantidium
  3. Colpoda
  4. Paramecium
  5. Colpidium
  6. Didinium
  7. Dileptus
  8. Lacrymaria
  9. Blepharocorys
  10. Entodinium
  11. Coleps

Sporozoa protozoa

They live inside the cells of living beings (that is, they are their hosts). Examples of this type of protozoa:

  1. The Plumarium Malarie , which is transmitted by the bite of a mosquito.
  2. Loxodes
  3. Plasmodium vivax
  4. Plasmodium falciparum
  5. Plasmodium ovale
  6. Eimeria (characteristic of rabbits)
  7. Haemosporidia (which live in red blood cells)
  8. Coccidia that frequent the intestines of animals
  9. Toxoplasma Gondii, which is transmitted by red meat in poor condition or lack of cooking.
  10. Ascetosporea that is characterized by living in marine invertebrates.

Rhizopoda Protozoa

They move with cytoplasmic movements. They present a kind of false feet. Some examples:

  1. Amoeba
  2. Entamoeba coli
  3. Iodamoeba butschlii
  4. Endolimax nana

 

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