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| 1. |
What is algae |
| Answer» \xa0Algae,\xa0singular\xa0alga, members of a group of predominantly aquatic photosynthetic organisms of the kingdom Protista. Algae have many types of life cycles, and they range in size from microscopic\xa0to giant.\xa0Their photosynthetic pigments are more varied than those of plants\xa0and their cells have features not found among plants and animals. In addition to their ecological roles as oxygen producers and as the food base for almost all aquatic life, algae are economically important as a source of crude oils\xa0and as sources of food and a number of pharmaceutical and industrial products for humans\xa0The study of algae is called\xa0phycology, and a person who studies algae is a phycologist. | |