Question

List 10 general characteristics of the major classes of protozoa

Answer 1

Answer:

Amebas, flagellates, cilliates, apicomplexa

Answer 2

Answer:

Some of the characteristics are:-

Explanation:

1. There are about 50,000 known species of phylum protozoa.
2. They are small, usually microscopic , not visualize without a microscope.
3. They are the simplest and primitive of all animals.
4. The body is unicellular ( without tissue and organs ) .
5. They have one or more nuclei which are monomorphic and dimorphic.
6. Body is naked or bounded by a pellicle, but in some forms may be covered with shells and often provided with an internal skeleton.
7. Body shape variables may be spherical, oval, elongated or flattened.
8. Body symmetry either none or bilateral or radial or spherical.
9. Body of protoplasm is differentiated into an outer ectoplasm and inner endoplasm.
10. The life cycle often complicated with alternation of asexual and sexual phases ( alternation of generation )
11. Examples : Euglena, Amoeba, Plasmodium, Paramecium, Podophyra, etc.