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Unformatted text preview: generations. 3. Nutritionalgae are photoautotrophs and are found in the photic (light) zone in bodies of water. Chlorophyll and sometimes other pigments are responsible for the colors of algae and their ability to carry out photosynthesis. Algae are classified according to their rRNA, structures, pigments, and other qualities. ROLES OF ALGAE IN NATURE 1. Algae are important in the food chain. 2. In carrying out oxygenic photosynthesis, it is estimated that algae produce up to 80% of earths oxygen. 3. Much of the worlds petroleum was formed from diatoms and other plankton. 4. Many unicellular algae live in symbiosis with animals. 5. Algal blooms occur and are responsible for red tides and the associated toxins. When the large amounts of algae die, their decomposition depletes the water of oxygen....
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This note was uploaded on 01/23/2012 for the course MCB MCB2010 taught by Professor Smith during the Fall '09 term at Broward College.
- Fall '09