Protists Biology: Classification, Characteristics, and Diversity

Summary

This document explores the general biology of protists, including their nutrition, life cycle, and ecological importance. It delves into protist diversity, outlining various supergroups like Excavata, Chromalveolata, and Rhizaria. The document also highlights the characteristics of different protists and their impact on the environment.

Full Transcript

**21. General biology of protists** - - - - - - **Nutrition of protists** - - - - - **Life cycle of protists** - - - - **Biology of protists** - - - - - - - Diversity of protists - - - Supergroup members --...

**21. General biology of protists** - - - - - - **Nutrition of protists** - - - - - **Life cycle of protists** - - - - **Biology of protists** - - - - - - - Diversity of protists - - - Supergroup members ----------------- ----------------------------------------------------------------------------------- Excavata Diplomonads parabasalids, euglenozoans Chromalveolata Dinoflagellates, apicomplexans, ciliates diatoms, golden brown algae, water molds rhizaria Cercozoans, foraminiferans, radiolarians Archae plastida Red and green algae, land plants amoebozoa Amoeboids, slime molds opisthokonta Fungi, choanoflagellates, animals **21.2 Supergroup Excavata** - - - Diplomonads and parabasalids - - - - - - **Parabasalids and diplomonads** Diplomonads - - - - - Parabasalids - **Euglenozoans** - - - - **Euglenids** - - - - - - - - - **Kinetoplastids** Unicellular , flagellated protozoans name for distinctive kinetoplast ( large mass of DNA located in mitochondria Trypanosomes are parasitic kinetoplastids - - - Trypanasmo cruzi causes chagas diseases **Supergroup Chromalveolata** - - DINOFLAGELLATES :![](media/image3.png) - - - - - - - Alexanderium cantella can cause red tide - - - - - - - - - ![](media/image8.png) - - - - - - - - - - - - - - Ornamets - - - - - - - Like crops(specifically corn) - - - - - - Like sea crops - - - - - - - - - - - - - - **21.4 Supergroup Rhizaria** **Are completed of cercozoans, foraminiferans, radiolarians** - - - ![](media/image9.png) **Cercozoa** - - - - - **Foraminiferans** - - - - - - - ![](media/image2.png) **radiolarians** - -

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