An event occurs where a large population of photosynthetic sun-basking sharks move to a new geographical location, and are unable to return. In their new location, they must rely much more on consuming fish for nutrients, as there are less available places to bask/rest, and higher risk for hunting if they remain at the surface for long periods of time. What type of prezygotic isolating mechanism occurred? In 100 years, how do you think the relocated sharks will differ physically from the original population? Give at least 2 features and explain why you think so

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