The Figure Depicts the Outline of a Large Fairy Ring

question 50

Multiple Choice

The figure depicts the outline of a large fairy ring that has appeared overnight in an open paddock, as viewed from above. The fairy ring represents the furthest advance of this mycelium through the soil. Locations A-D are all 0.5 metres below the soil surface.
At which location should one find the lowest concentration of fungal enzymes, assuming that the enzymes do not diffuse far from their source and that no other fungi are present in this habitat?

• A) A
• B) B
• C) C
• D) D

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