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Exploring Protists: Kingdom, Types, and Importance in the Ecosystem

Discover the diverse world of Protista, eukaryotic organisms including algae, protozoa, and fungus-like species. Uncover the significance of studying these unicellular and multicellular beings, their roles in the food chain, and their impact as parasites. Dive into the characteristics of key groups such as Dinoflagellata, Chrysophyta, and more, learning about their habitats, structures, and benefits. Explore the marvels of Protista and their crucial contributions to our environment!

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Exploring Protists: Kingdom, Types, and Importance in the Ecosystem

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  1. Classification http://glencoe.mcgraw-hill.com/sites/dl/free/007869387x/164213/00044691.html

  2. Kingdom Protista • Eukaryotes • Unicellular and multicellular • Autotrophic and/or heterotrophic • Why study them? • Important part of food chain • Some are parasitic • Divided into 3 main groups: • Algae • Protozoa • Fungus like https://www.youtube.com/watch?v=Ln69k7LyTsU

  3. Dinoflagellata • Approx. 1,100 sp • Unicellular • Cell wall composed of cellulose • Most marine • Contains orange and yellow pigments • Ex. Fire algae • Harm: Red tide • Benefit: food chain https://www.youtube.com/watch?v=OUeAMzoKNWg

  4. Chrysophyta • Approx. 10,000sp • Unicellular • Fresh & marine habitat • Silica glass shells • Benefits: photosynthetic • Diatomaceous Earth • Cleaners & filters • Yellow or brown • Ex. Diatoms https://www.youtube.com/watch?v=7n-0iWM_lWM

  5. Rhodophyta • Approx. 4,000 sp. • All multi cellular • Cell wall: cellulose, caragreenan • Red pigments • Marine (deep waters) • Ex. Red Algae

  6. Phaeophyta • Approx, 1500 sp. • Multicellular • Cell wall: cellulose, alginic acid • Brown pigments • Fresh and marine • Benefit: food: rich in minerals, habitat, food chain • Ex. Kelp https://www.youtube.com/watch?v=GcbU4bfkDA4

  7. Euglenophyta • Unicellular • Approx 1000 sp • No cell wall • Green • Most fresh water • Ex. Euglena • Benefits: producer

  8. Chlorophyta • Approx. 7,000 sp • Unicellular, colonial, multicellular • Green • Cell wall made of cellulose • Soil, rocks, trees, fresh water • Benefit: food chain, photosynthetic • Ex.: Spirogyra, volvox

  9. Sporozoano locomotionall parasitic • Causes coccidiosis – diarrhea, vomiting, weight loss

  10. Sporozoa

  11. Zoomastigina Giardia Trypanosoma *Flagella http://www.youtube.com/watch?v=bGMor71WkFc&feature=related Volvox

  12. Sarcodina *Pseudopodia – “false feet” **Example: Amoeba http://www.funsci.com/protists/prot_03.avi

  13. http://www.youtube.com/watch?v=-6SE6eWgUaM

  14. Ciliophora7,200 sp. stentor *Cilia http://www.youtube.com/watch?v=vnlkvquWXS8&feature=related Bursaria

  15. Fungus Like Protists http://www.pbs.org/wgbh/nova/nature/slime-mold-smarts.html

  16. Jeopardy https://www.superteachertools.net/jeopardyx/jeopardy-review-game-from-com.php?gamefile=http://www.superteachertools.com/jeopardy/usergames/May201018/jeopardy1273149964.txt#.VRxTQfnF-7B

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