Crabs must molt because their hard, calcified exoskeleton cannot grow with them. Before molting, they reabsorb calcium and weaken their old shell from the inside. During ecdysis, they painfully pull ...
Blue Crab on Beach of Florida© Katarina_G/Shutterstock.com A crab’s exoskeleton protects it like armor and gives the animal structural support. Without the process of molting, crabs and other ...
Like all arthropods, crabs must shed their tough exoskeleton to grow to a larger size. The video from the Shape of Life YouTube channel shows the fascinating details of just what it looks like as a ...
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