Complex Algae w Complex algae are divided into three groups according to their photosynthetic pigments: green, brown, and red. w Complex algae live at.

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Presentation transcript:

Complex Algae

w Complex algae are divided into three groups according to their photosynthetic pigments: green, brown, and red. w Complex algae live at different depths of water based on the penetration of light colors into water. w White light colors are: red – orange – yellow – green – blue – violet.

Green Algae – Phylum Chlorophyta

Chlamydomonas

Volvox – a colonial protist

Spirogyra

Ulva

Chara w Land plants are thought to have evolved from some extinct green alga that resembles Chara

Brown Algae –Phylum Phaeophyta

Fucus

Kelp

Red Algae – Phylum Rhodophyta

Scinaia furcellata

Review w Green algae have chlorophylls a and b w Brown algae have chlorophylls a and c w Red algae have chlorophylls a and d w What do all algae have in common? w Why do complex algae live at different depths of water? w Land plants are thought to have evolved from a green alga, why?