1. Kingdom Protista: Algae and Heterotrophic Protists Chapter 15

2. Heterotrophic Phyla Oomycota- water molds.
Myxomycota- plasmodial slime molds.
Dictyosteliomycota- cellular slime molds.

3. Oomycota- water molds Characteristics
Unicellular, coenocytic and filamentous.
Saprophytic and parasitic.
Food reserve- glycogen.
Eukaryotic nucleus.
Zoospores- 1 tinsel and 1 whiplash.
Cell wall cellulose/cellulose-like.
Habitat- marine, freshwater, terrestrial.
700 species.
Examples- Saprolegnia and Phytophthora.

5. Phytophthora- sudden oak disease, Ireland potato famine, crop destruction.

6. Myxomycota- plasmodial slime molds
Characteristics
Streaming protoplasm.
Saprophytic and engulf bacteria, yeast, fungal spores.
Food reserve- glycogen.
Eukaryotic nucleus.
Gametes- 2 unequal, apical, whiplash.
No cell wall.
Habitat- terrestrial.
700 species.
Example- Physarum.

9. Dictyosteliomycota- cellular slime molds
Characteristics
Amoeba-like cells that form slugs.
Engulf bacteria.
Food reserve- glycogen.
Eukaryotic nucleus.
Flagella- none.
Cell wall cellulose.
Habitat- terrestrial.
50 species.
Examples- Dictyostelium.

10. Dictyostelium- cellular slime mold

12. Dictyostelium

13. Photosynthetic Phyla (the algae)
Myzozoa- dinoflagellates.
Euglenozoa- euglenoids.
Cryptophyta- cryptomonads.
Haptophyta- haptophytes.
Chlorophyta- green algae.
Rhodophyta- red algae.
Heterokontophyta- heterokont algae.
Phaeophyceae- brown algae.
Chrysophyceae- golden-brown algae.
Bacillariophyceae- diatoms.

14. Myzozoa- dinoflagellates
Characteristics
Unicellular, colonal.
Chlorophylls A and C, peridinin.
Food reserve- starch in cytoplasm.
Thylakoids in 3.
Mesokaryotic nucleus.
Flagella- 1 transverse and 1 longitudinal.
Cell wall with cellulose in thecal plates.
Habitat- marine and freshwater.
4,000 species.
Examples- Ceratium, Peridinium, Dinophysis, Alexandrium, Pfiesteria.

18. Pfiesteria piscicida

20. Euglenozoa

21. Euglenozoa- euglenoids
Characteristics
Unicellular.
Chlorophylls A and B, carotenoids.
Food reserve- paramylon in cytoplasm.
Thylakoids 2-3.
Mesokaryotic nucleus.
2 unequal flagella, long one with hairs.
No cell wall, proteinaceous pellicle.
Eyespot.
Habitat- marine and freshwater; puddles, ditches, ponds, streams, lakes, rivers.
1,000 species.
Example- Euglena.