““Algae”Algae”

• Protista that are photosynthetic autotrophs• Diverse morphology

* Single cells, filaments, colonies, thalli

• Polyphyletic

Green AlgaeGreen Algae

Chlamydomonas – 1 cell

Ulva - sheet

Ulothrix - filament

Pandorina - clump

Ulva - sphereScale bars 10 Scale bars 10 μμmm

100 μm

Life size

½ Life size

RedRed AlgaeAlgae

Porphyra – sheet

Polysiphonia – simple thallus

Brown AlgaeBrown Algae

DiatomsDiatoms

EuglenaEuglena

EuglenoidEuglenoid movement and movement and FlagellarFlagellar movement in movement in EuglenaEuglena

Euglenoid movement in Eutreptiella