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Marine Plants: Algae . Monera. Protista. Plantae. Fungi. Animalia. Three domain system:. Eu- bacteria. Archae-bacteria. E U K A R Y A. Algal Taxonomy. Eukaryotic Algae: Protists single celled, possess nuclear membrane, aquatic photoautotrophs.

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Marine Plants: Algae

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Marine plants algae

Marine Plants:

Algae


Marine plants algae

Monera

Protista

Plantae

Fungi

Animalia

Three domain system:

Eu-

bacteria

Archae-bacteria

E U K A R Y A

Algal Taxonomy

Eukaryotic Algae: Protists

single celled, possess nuclear membrane, aquatic photoautotrophs


Marine plants algae

Five Supergroups

Excavata

Euglenoids

Dinoflagellates, diatoms, golden and brown algae

Chromalveolata

Rhizaria

Forams and radiolarians

Archaeplastida

Red and green algae

Unikonta

Slime molds


Marine plants algae

Volvox

Spirogyra


Marine plants algae

Chlamydomonas


Marine plants algae

Dinoflagellates

Diatoms

Chlorophyta (green algae)

Phaeophyta (brown algae)

Rhodophyta (red algae)


Marine plants algae

Phylum Pyrrophyta: dinoflagellate

  • Single-celled eukaryote

  • Animal/plant type organism with 2 flagella

  • Bioluminescence

  • Zooxanthellae: Symbiodinium

Ceratium


Marine plants algae

Phylum Bacillariophyta: Diatoms

Thecate- with shell

Athecate- naked

2 kinds: centric (circular) and penate (oblong)

Frustule

(silica shell)

pennate

centric


Marine plants algae

Diatom Reproduction- asexual

epithecate

hypothecate

auxospore

Discards shell and

grows new one


Marine plants algae

Chlorophyta: Green Algae

Halimeda opuntia

Caulerpa sertularioides

Codium edule

Caulerpa racemosa

Dictyosphaeria cavernosa


Marine plants algae

Phaeophyta: Brown Algae

Padina japonica

Turbinaria ornata

Hydroclathrus clathratus

Sargassum echinocarpum

Sargassum polyphyllum


Marine plants algae

Kelp


Marine plants algae

Rhodophyta: Red Algae

Hypnea chordacea

Ahnfeltia concinna

Acanthophora spicifera

Galaxaura fastigiata

Asparagopsis taxiformis


Marine plants algae

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


Marine plants algae

Herbivores


Marine plants algae

Halimeda opuntia

Algal Invaders

Acanthophora

Gracilaria

Hypnea

Avrainvillae

Kappaphycus

Eucheuma


Marine plants algae

Super Sucker


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