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  1. WebProtozoa are microscopic unicellular eukaryotes that have a relatively complex internal structure and carry out complex metabolic activities. …

    • Author: Robert G. Yaeger
    • Published: 1996
    • Publish Year: 1996
  2. WebApr 28, 2017 · Learn about protozoa, a diverse group of single-celled eukaryotes that include parasites, photosynthesizers, and

    • Reviews: 2
    • Estimated Reading Time: 8 mins
  3. People also ask
    Protozoa can be divided into four phyla based on their locomotion: Mastigophora, Sarcodina, Ciliophora, and Sporozoa. What are basic features of protozoa? Protozoa are unicellular eukaryotic microorganisms lacking a cell wall and belonging to the Kingdom Protista. Protozoa reproduce asexually by fission, schizogony, or budding.
    They live in water or at least where it is damp. Some protozoans are harmful to man because they can cause serious diseases. Others are helpful because they eat harmful bacteria and are food for fish and other animals. Also Know, what are the disadvantages of protozoa? 5 disadvantage of protozoa. Protozoans cause dysentery, kala azar and malaria.
    There are many protozoa, that cause various diseases in animals and humans, e.g. Plasmodium (malarial parasite), Trypanosoma (sleeping sickness), Trichomonas (trichomoniasis), etc. The protozoa have many stages in their life cycle. Some of the stages of the life cycle are infectious.
    Protozoa that spread through unclean food or water usually affect the digestive system by living and multiplying in the intestines. Other organs can be affected as well as the parasite spreads. Protozoa that are transmitted through an insect bite usually cause a fever and inflammation among other physical problems.
  4. WebProtozoa, or protozoans, are single-celled, eukaryotic microorganisms. Some protozoa are oval or spherical, others elongated. Still others have different shapes at different stages of the life cycle. Cells can be as small …

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