Marine Plants:

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Marine Plants Algae
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Algal Taxonomy
Eukaryotic Algae Protists single celled, possess
nuclear membrane, aquatic photoautotrophs
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Five Supergroups
Excavata
Euglenoids
Dinoflagellates, diatoms, golden and brown algae
Chromalveolata
Rhizaria
Forams and radiolarians
Archaeplastida
Red and green algae
Unikonta
Slime molds
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Volvox
Spirogyra
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Chlamydomonas
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Dinoflagellates Diatoms Chlorophyta (green
algae) Phaeophyta (brown algae) Rhodophyta (red
algae)
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Phylum Pyrrophyta dinoflagellate

• Single-celled eukaryote
• Animal/plant type organism with 2 flagella
• Bioluminescence
• Zooxanthellae Symbiodinium

Ceratium
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Phylum Bacillariophyta Diatoms
Thecate- with shell Athecate- naked
2 kinds centric (circular) and penate (oblong)
Frustule (silica shell)
pennate
centric
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Diatom Reproduction- asexual
epithecate
hypothecate
auxospore
Discards shell and grows new one
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Chlorophyta Green Algae
Codium edule
Caulerpa racemosa
Dictyosphaeria cavernosa
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Phaeophyta Brown Algae
Hydroclathrus clathratus
Sargassum echinocarpum
Sargassum polyphyllum
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Kelp
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Rhodophyta Red Algae
Asparagopsis taxiformis
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Algal Products

• Thickener and help smooth
• Many foods and milk-products

Certain alga can be used to make agar or as
stabilizer in gelatin and ice cream Use sugar,
milk, irish moss or euchima, Chondrus, Porphyra
and Rhodymenia- blend and boil.

• Toothpaste
• Beauty creams
• Paints
• Medical products- like bacterial culture plates,
  time-release pills, and dental impression gels

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Herbivores
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Algal Invaders
Acanthophora
Gracilaria
Hypnea

Avrainvillae
Kappaphycus
Eucheuma
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Super Sucker