Algal & Fungal-like Protists
Kingdom Protista
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 Copyright © by Holt, Rinehart and Winston

Algal-Like Protists

Characteristics of Algae:

   Structure of Algal Cells:


Chlamydomonas
 Copyright © by Holt, Rinehart and Winston


Volvox
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Spirogyra
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Macrocystis
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Reproduction in Unicellular Algae:

Asexual Phase

Sexual Phase


Life Cycle of Chlamydomonas
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Reproduction in Multicellular Algae:


Oedogonium Life Cycle
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spirogyra conjugating.jpg (91550 bytes)

Spirogyra: conjugation begining.
Conjugation Tube between Spirogyra


Ulva Life cycle
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Classification: 

SEVEN PHYLA OF ALGAE
Phylum Structure of Thallus Pigments Food Storage  Cell Wall composition
Chlorophyta
(Green Algae)
Unicellular
Colonial
Filamentous
Multicellular
 
Chlorophyll a & b Carotenoids Starch Mainly Cellulose
Phaeophyta
(Brown Algae)
Multicellular Chlorophyll a & c Carotenoids Fucoxanthin
Peridinin
Laminarin  Cellulose
Algin
Rhodophyta
(Red Algae)
Multicellular Chlorophyll a Phycobilins Carotenoid Starch Cellulose
CaCO3
Bacillariophyta
(Diatoms)
 Unicellular Some Colonial Chlorophyll a & c Carotenoids Xanthophyll Starch 
Pectin
SiO2
Dinoflagellata
(Dinoflagellates)
Unicellular Chlorophyll a & c Carotenoids

Starch

Cellulose
Chrysophyta
(Golden Algae)
 Unicellular Some Colonial Chlorophyll a & c
Xanthophyll Carotenoids

Laminarin

Cellulose
Euglenophyta
(Euglenoids)
Euglena
Unicellular Chlorophyll a & b
Carotenoids Xanthophyll

Paramylon

No Cell Wall  Pellicle

 Chlorophyta (green Algae):