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Multicell Cholorophycean Green Algae -Pandorina -Volvox -Scenedesmus -Hydrodictyon -Oedogonium Charophycean Green Algae -Klebsormidium -Spirogyra -Closterium.

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Presentation on theme: "Multicell Cholorophycean Green Algae -Pandorina -Volvox -Scenedesmus -Hydrodictyon -Oedogonium Charophycean Green Algae -Klebsormidium -Spirogyra -Closterium."— Presentation transcript:

1 Multicell Cholorophycean Green Algae -Pandorina -Volvox -Scenedesmus -Hydrodictyon -Oedogonium Charophycean Green Algae -Klebsormidium -Spirogyra -Closterium -Staurastrum -Cosmarium -Coleochaete -Chara Colonial Filamentous Klebsormidiales Zygnematales Coleochaetales Charales Synapomorphies? Synplesiomorphies? How is morphology achieved? Life cycle?

2 Multicell Cholorophycean Green Algae -Pandorina -Volvox -Scenedesmus -Hydrodictyon Colonial

3 Multicell Cholorophycean Green Algae -Pandorina -Volvox -Scenedesmus -Hydrodictyon Colonial

4 Multicell Cholorophycean Green Algae -Pandorina -Volvox -Scenedesmus -Hydrodictyon Colonial

5 Multicell Cholorophycean Green Algae -Pandorina -Volvox -Scenedesmus -Hydrodictyon Colonial

6 Multicell Cholorophycean Green Algae -Oedogonium Filamentous

7 Charophycean Green Algae -Klebsormidium Klebsormidiales

8 Charophycean Green Algae -Spirogyra -Closterium -Staurastrum -Cosmarium Zygnematales

9 Charophycean Green Algae -Spirogyra -Closterium -Staurastrum -Cosmarium Zygnematales Desmids: -Mostly freshwater -3 planes of symmetry (WOW!) -One MAJOR plane of symmetry -Two semicells joined at an isthmus -Reproduction: Asexual: division along the isthmus, each new cell regrows its sister semicell. Sexual: conjugation, with dormant zygote

10 Charophycean Green Algae -Spirogyra -Closterium -Staurastrum -Cosmarium Zygnematales

11 Charophycean Green Algae -Spirogyra -Closterium -Staurastrum -Cosmarium Zygnematales

12 Charophycean Green Algae -Spirogyra -Closterium -Staurastrum -Cosmarium Zygnematales

13 Charophycean Green Algae -Coleochaete Coleochaetales

14 Charophycean Green Algae -Chara Charales

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