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Protozoan Groups

Protozoan Groups. Chapter 5. Crustacea. Vertebrata. Arachnida. Tunicata. Insecta. Chordata. Arthropoda . Hemi- chordata. Mollusca. Annelida. Echinodermata. Protostomes. Deuterostomes. Pseudocoelomates. † Triploblasts * Diploblasts. Coelomates. Acoelomates. Bilateria †.

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Protozoan Groups

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  1. Protozoan Groups Chapter 5

  2. Crustacea Vertebrata Arachnida Tunicata Insecta Chordata Arthropoda Hemi- chordata Mollusca Annelida Echinodermata Protostomes Deuterostomes Pseudocoelomates † Triploblasts * Diploblasts Coelomates Acoelomates Bilateria† Radiata* Cnidaria Ctenophora Eumetazoa Mesozoa Parazoa Metazoa Protozoa Monera (Bacteria)

  3. Basics • Unicellular  small • No organs or tissues (protoplasmic) • Found in terrestrial, marine, aquatic and parasitic environments • Reproduce sexually or asexually • Nutrition: • Autotrophic • Heterotrophic

  4. Groups we will talk about • Flagellates (Chlorophyta, Axostylata, and Retortamonada) • Ciliates (Ciliophora) • Amebas (No Phyla) • Apicomplexa

  5. Outline • Movement of Protozoa • Amoeboid • Ciliary • Flagellar • Unknown • Protection of Protozoa • Ameba

  6. Movement of Protists • Flagellates (Chlorophyta, Axostylata, and Retortamonada) • Ciliates (Ciliophora) • Amebas • Apicomplexa

  7. Movement of Protists • Flagellates (Chlorophyta, Axostylata, and Retortamonada) • Ciliates (Ciliophora) • Sarcodina (Amebas) • Apicomplexa Flagellar movement Ciliary movement Amoeboid movement Parasites

  8. Amoeba

  9. I. Ameboid movement. • Ameboid locomotion is used by certain protists and by numerous kinds of ameboid cells that are located within the bodies of most Metazoa.

  10. Complex changes in cell fine structure, chemistry, and behavior. (gel-like) (more fluid)

  11. Mechanisms of Ameboid movement.

  12. Mechanisms of Ameboid movement.

  13. Pseudopodia Types • Lobopodia • Filopodia • Reticulopodia • Axopodia

  14. Pseudopodia Types • Lobopodia • Filopodia • Reticulopodia • Axopodia

  15. Pseudopodia Types • Lobopodia • Filopodia • Reticulopodia • Axopodia

  16. Pseudopodia Types • Lobopodia • Filopodia • Reticulopodia • Axopodia

  17. Pseudopodia Types • Lobopodia • Filopodia • Reticulopodia • Axopodia

  18. Pseudopodia Types • Lobopodia • Filopodia • Reticulopodia • Axopodia

  19. HELIOZOANS ACTINOPHRYS SP. I COLLECTED THIS ONE IN WISCONSIN. Axopodia

  20. Diversity of Locomotion in Amebas Creeping Rolling Typical with lobopodia Walking Bipedal-stepping Filopodial creeping

  21. MovementII. Cilia (Ciliophora)

  22. CATTLE RUMEN CILIATES ENTODINIUM CAUDATUM

  23. CATTLE RUMEN CILIATES ENTODINIUM CAUDATUM

  24. CATTLE RUMEN CILIATES ENTODINIUM CAUDATUM SURFACE ULTRASTRUCTURE

  25. Movement of Paramecium

  26. What is that?

  27. Cilia act like walking legs!

  28. Compound Ciliature • The function of some cilia is not only movement but feeding • Feeding currents

  29. Example of ciliates with compound ciliature Vorticella Stentor

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