1. Green Algae Phylum ____________ Habitat: widespread in marine and ______ water Notes: –Very diverse group, hard to generalize about their ecology –May be _________, filamentous or colonial, or multicellular

2. Filamentous Green Algae _________ has spiral-shaped __________

3. Filamentous with spiral chloroplast in each cell Forms green “____” in ponds Pyrenoids (sites of starch storage) occur in the chloroplast Asexual reproduction is by __________ of the filament. CHLOROPHYTA-- SPIROGYRA

4. Spirogyra _________, a form of sexual reproduction

5. another filamentous Green Algae __________ __ Star-shaped chloroplasts per cells another filamentous Green Algae __________ __ Star-shaped chloroplasts per cells

6. a colonial Green Algae … _______ ________ colony with Daughter colonies Mother Colony Daughter Colony

7. SPHERICAL COLONY OF ____________ CELLS (colony is motile) Flagella on one side, ___ ___ ____ on other ASEXUAL REPRODUCTION: –A SURFACE CELL DROPS INSIDE BALL AND BY _______ PRODUCES DAUGHTER COLONY. –PARENT COLONY EVENTUALLY ______ TO RELEASE DAUGHTER COLONIES. CHLOROPHYTA-- Volvox

8. Colonial Green Algae, Volvox Daughter cells remain attached to the parent cells COLONY

9. Male and female colonies form different germ cells. ______ cells are formed by division. The female germ cells do not divide. They enlarge to form an ova. In some species the colonies are ___________ _.

10. http://www.plingfactory.de/Science/GruKlaOeko/Teichleben/Algen/Oedogonium%20sp..jpg Oedogonium thallus

11. http://www.botit.botany.wisc.edu/images/130/Chlorophyta/Oedogonium_Images/Zoospore_MC.low.jpg Oedogonium Here the filaments are out of focus. The asexual __________ is in focus.

12. http://www.csupomona.edu/~jcclark/classes/bot125/resource/graphics/g/chl_oedogonium.jpg http://www.biologie.uni-hamburg.de/b-online/fo44/18.jpg Oedogonium This is the zoospore, or maybe it is the sperm. Both have the same look! When both oogonium and __________ appear on the same filament the alga is ___________.

13. ________ fresh- water algae some cells of the filament become oogonia (egg- producing structures) some cells become antheridia (____- producing structures) sexual and _____ reproduction CHLOROPHYTA – Oedogonium

14. Filamentous fresh-water alga ______ reproduction is by zoospore production CHLOROPHYTA-- Ulothrix Sexual reproduction involves flagellated ___________