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The collective effective dose is the sum of the individual doses received in a given period by a specific population from exposure to a specific source of radiation. It is the dose Quantity S, calculated as the sum of all individual effective doses over the time period or during the operation being considered due to ionizing radiation. It may be used to estimate the total health effects of a process or accidental release involving ionizing radiation to an exposed population.
Answer:
Mutualism between fungi and coniferous trees is most common in the forest biome.
Explanation:
Beneficial interaction between two organisms of two different species in which both the organisms take benefit from each other in some way from this interaction. This beneficial interaction is called mutualism. Fungi and coniferous trees form interaction which is beneficial for both the species. In this interaction, the fungi help in the production of new root tips and plant provide shelter and nutrition to the fungus.