SYMBIOSIS

sĭm″bē-ō′sĭs noun Lichens have scientific names as though they are a species of organism, but actually a lichen is a fungus and an alga living in a symbiotic relationship (both are benefited by living together.) The fungus cannot photosynthesize so it cannot create food from solar energy, but the alga can photosynthesize. The alga needs …

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