The New Encyclopędia Britannica: L-ZEncyclopędia Britannica, 1992 - 32 pages |
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Page 242
... Algae provide much of the Earth's oxygen , they are the food base for almost all aquatic life , they are an ... Algae Spirogyra Charophyceae D Macrocystis Phaeophyceae m Ochromonas Chrysophyceae Pleodorina Chlorophyceae 242 Algae ALGAE.
... Algae provide much of the Earth's oxygen , they are the food base for almost all aquatic life , they are an ... Algae Spirogyra Charophyceae D Macrocystis Phaeophyceae m Ochromonas Chrysophyceae Pleodorina Chlorophyceae 242 Algae ALGAE.
Page 243
... algae . H Scenedesmus Chlorophyceae Stigeoclonium Chlorophyceae Palmaria Rhodophyceae ( A ) Macrocystis , a parenchymatous alga . ( B ) Ochromonas , a single - celled flagellate . ( C ) Scenedesmus , a coccoid alga . ( D ) Spirogyra ...
... algae . H Scenedesmus Chlorophyceae Stigeoclonium Chlorophyceae Palmaria Rhodophyceae ( A ) Macrocystis , a parenchymatous alga . ( B ) Ochromonas , a single - celled flagellate . ( C ) Scenedesmus , a coccoid alga . ( D ) Spirogyra ...
Page 247
... Algae , like all organisms , sustain life by using the engery from the chemical bonds of food molecules . Most algae are aerobic ( i.e. , they live in the presence of oxygen ) , although certain Euglenophyceae live anaerobically in ...
... Algae , like all organisms , sustain life by using the engery from the chemical bonds of food molecules . Most algae are aerobic ( i.e. , they live in the presence of oxygen ) , although certain Euglenophyceae live anaerobically in ...
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