👉PHYLUM PROTOZOA📚📚
👉CHARACTERISTICS OF PROTOZOA✍✍
Fundamental Statements for this Learning Object:📖📖
1. GOLD FUSS gave term Protozoa.
2. Protozoa are unicellular eukaryotic microorganisms lacking a cell wall and belonging to the Kingdom Protista.
3. Protozoa are anucleated or multinucleated.
4. It's body organization is protoplasmic level.
5. Protozoa made solitary or loose colonies.
6. Body symmetry none, bilateral, radial or spherical.
7. Body naked or bounded by a pellicle.
8. Protozoa reproduce asexually by fission, schizogony, or budding. Some protozoa can also reproduce sexually.
9. Relatively few protozoa cause disease.
10. The vegetative, reproducing, feeding form of a protozoan is called a trophozoite.
11. Locomotor organelles are finger like pseudopodia or whip like flagella or hair like cilia or absent.
12. Under certain conditions, some protozoa produce a protective form called a cyst.
13. Components of protozoa that function as PAMPs include GPI-anchored proteins and mannose-rich glycans.
14. These PAMPS bind to PRRs on various defense cells and trigger innate immunity.
15. Protozoan molecules can also trigger adaptive immunity such as the production of antibody molecules against protozoan antigens.
16. About 50,000 known species.
Ex.The examples are: 1.Giardia 2. Trypanosoma 3. Trichonympha 4. Leishmania 5. Entamoeba 6. Plasmodium 7. Toxoplasma 8. Paramecium 9. Tetrahymena 10. Euglena 11. Monocystis .
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