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Algae - Wikipedia
Algae | Definition, Characteristics, Classification, Examples, & Facts ...
What Are Algae? | Live Science
Algae | Botany Basics | Biology Dictionary
Algae - Definition, Characteristics, Types and Examples - BYJU'S
Characteristics and importance of algae | Britannica
Algae - Photosynthesis, Diversity, Nutrition | Britannica
Algae - Encyclopedia of Life
Algae | Smithsonian National Museum of Natural History
Algae - Definition and Examples - Biology Online Dictionary