New answers tagged marine-biology
Ages of shell as a piece can be checked or counted. Procedure: 1) Examine the shell's ridges with a magnifying glass. 2) Tabulate the number of ridges. You can approximate by number of cell per unit length. 3) Divide the total number of ridges by 365. Each day the little insect earns a new ridge, thus total will give you its age. But, that is age of ...
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