Q: The fungus benefits from the constant supply of food produced by what?


Read this paragraph and choose the correct option from the provided answers:

A lichen is a mutualistic relationship between a fungus and a photosynthetic organism. The other organism is usually a cyanobacterium or green alga. The fungus grows around the bacterial or algal cells. The fungus benefits from the constant supply of food produced by the photosynthesizer. The photosynthesizer benefits from the water and nutrients absorbed by the fungus. Figure below shows lichen growing on a rock.

 Choices:

- the host

- the spermatophyte

- the phytoflagellate

- the photosynthesizer


A:
the photosynthesizer