This biology question covers important biological concepts and processes. The step-by-step explanation below helps you understand the underlying mechanisms and reasoning.
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7a. Re-arrange the following Protozoa into their different sub-classes. | Sub-class | Protozoa | | :-------------- | :-------------------------------------------- | | Coccidia | Cyclospora, Eimeria, Toxoplasma, Cryptosporidium | | Haemosporidia | Plasmodium | | Piroplasmia | Babesia | 7b. List three (3) diagnostic features of the Apicomplexans. 1. Presence of an apical complex at some stage of their life cycle, used for host cell invasion. 2. All are parasitic. 3. Lack of locomotor organelles (like flagella or cilia) in adult stages. 8a. Name the diseases associated with the following Protozoa. I Entamoeba histolytica: Amoebiasis* Ii Giardia lamblia: Giardiasis* Iii Balantidium coli: Balantidiasis* Iv Eimeria tenella: Coccidiosis* V Plasmodium vivax: Malaria* 8b. Distinguish four (4) differences between Opalina and Paramecium in their features. | Opalina | Paramecium | | :------------------------------------------ | :------------------------------------------ | | 1. Multinucleate (many identical nuclei). | 1. Binucleate (macronucleus and micronucleus). | | 2. Lacks contractile vacuoles. | 2. Possesses contractile vacuoles. | | 3. Lacks a cytostome (mouth). | 3. Possesses a distinct oral groove and cytostome. | | 4. All cilia are uniform and cover the body. | 4. Cilia are often differentiated (e.g., oral cilia). | | 5. Primarily found in amphibian intestines. | 5. Primarily found in freshwater. | That's 2 down. 3 left today — send the next one.