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ALGAE130 - Jim Bidlack BIO 1304 GENERAL BOTANY Lecture 30...

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Jim Bidlack - BIO 1304 GENERAL BOTANY Lecture 30 - Algae (Part I) I. General characteristics A. Algae - O 2 -evolving photosynthesis, contain chlorophyll a, no vascular tissue, usually single- celled reproductive organs, usually aquatic B. Very diverse - includes organisms from two kingdoms C. "Algae" is an artificial group rather than a truly phylogenetic taxon II. Kingdom Monera: procaryotic, including bacteria, usually lack cellulose A. Class Cyanobacteriae (Class Cyanobacteria (cyano)): blue-green color) III. Kingdom Protista: eucaryotic, often single-celled, and often possessing cellulose walls A. Phylum Rhodophyta (red algae) - mostly marine - used for agar and food B. Phylum Euglenophyta (like euglena - protozoans) - closely related to some protozoans 1. Mostly unicellular, motile flagellates, fresh water species 2. Lack a cell wall 3. Can ingest food; photosynthesis not required C. Phylum Chlorophyta (green algae - chlorophyll):
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