Answer:
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Answer:
If slim shelled snails have dainty shelled posterity and thick shelled snails have thick-shelled posterity then this is a decent proof that shell thickness is heritable.
In the genuine investigation they have watched however at first the number of inhabitants in snails had an arbitrary conveyance of shell thickness in the long run the nearness of a crab the predator lead to the determination of thick-shelled snails with the end goal that they are not consumed.Thickness of the shell is certain a heritable factor by qualities yet the choice or development of thick-shelled snails over the time is an unadulterated choice.
The answer would be C because it is the only answer that gives a scientific answer
