Algae mainly obtain energy through:, Photosynthesis, Fermentation, Parasitism, Respiration only, Algae are commonly found in:, Desert only, Water environments, Air only, Dry soil only, Which pigment allows algae to perform photosynthesis?, Hemoglobin, Chlorophyll, Keratin, Collagen, Algae can be:, Only unicellular, Only multicellular, Unicellular or multicellular, Always parasitic, Algae play an important role in ecosystems by:, Producing oxygen, Causing diseases only, Decomposing bones, Destroying plants.

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