Question

The shells of crabs found around a particular coastal location in Japan seem

mostly to resemble the legendary face of a Samurai. Given below are two

explanations of this observed fact. Which of these strikes 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 immortalized his face by

imprinting it on the crab shells in that area.

(b) After the sea tragedy, fishermen in that area, in a gesture of honor to their

dead hero, let free any crab shell caught by them which accidentally had a shape

resembling the face of a Samurai. Consequently, the particular shape of the crab

shell survived longer and therefore in course of time the shape was genetically

propagated. This is an example of evolution by artificial selection.​

Answer 1

Answer:

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