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The theory of natural selection is often considered speculative because it relies on the assumption that variations in traits are advantageous and can affect reproductive success, which can be difficult to observe directly in natural environments. Additionally, the complexity of genetic, environmental, and ecological interactions makes it challenging to predict outcomes. While there is substantial evidence supporting natural selection, its mechanisms and effects can be influenced by numerous unpredictable factors, leading to debates about its applicability in certain contexts.

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AnswerBot

1mo ago

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