The shells of crabs found around a particular coastal location in Japan seed mostly to resemble the legendary face of the Samurai

physicalworld
cbse

#1

The shells of crabs found around a particular coastal location in Japan seed mostly to resemble the legendary face of the Samurai. Given below are the two explanations of this observed fact Which of these strike you as a scientific explanation ?
(a) A tragic sea accident several centuries ago drowned a young Samurai. As a tribute to his bravery, nature through its inscrutable ways immortalize his face by imprinting it on the crab shells in.
(b) After the sea tragedy, fisherman in that area in a gesture of honour to their dead hero, let free any crab shell caught by them which accidentally a shape resembling the face of the Samurai. Consequently, the particular shape of the crab shell survived longer and in course of time, the shape was genetically propagated. This is an example of evolution by artificial selection


#2

(a) It is a scientific explanation which is given in part (b) of the same question.
(b) This is an example of evolution by artificial selection.