A lichen is an organism made up of an alga and a fungus. The alga supplies energy for itself and the fungus through photosynthesis. The fungus provides a protected space for the alga to live. This is an

asked Mar 6, 2021 3.4k views

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Mutualism- symbiosis that is beneficial to both organisms involved

Kylef answered Mar 13, 2021

by Kylef

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