Describe its size and shape the microscopic observation of sorus under 40x magnification
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Under 40x magnification, a sorus appears as a small, round or oval structure with a diameter typically ranging from 1mm to 5mm. The shape may vary slightly depending on the type of fern species, but generally, it is compact and clustered together in a group. The individual sporangia inside the sorus are not distinguishable at this magnification and appear as tiny dark specks within the overall structure. The overall appearance is akin to a small button or tiny bump on the underside of a fern frond.
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