Algae
- Grade Level: Senior High (10-12)
- Subjects: Biology
- Produced By: BioMedia Associates
- Year: 2004
- Country: United States
- Language: English
- Running Time: 20m
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The term "algae" is a catch-all for several evolutionary lines of photosynthetic organisms: Red Algae (plastids with chlorophyll A), Brown Algae (with chlorophyll A and C), and Green Algae(Chlorophyll A and B). These photosynthetic organisms play vital roles in aquatic and marine ecosystems, providing oxygen, food and shelter for vast communities of living things. Download free guide from our website.