Which of the following can be said as the " Theory of Darwin"?

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Which of the following can be said as the " Theory of Darwin"? Answer: Survival of the fittest and struggle for existence

Charles Darwin's Theory of Evolution explains that species evolve over time through natural selection. Only the organisms best suited to their environment survive and reproduce, often summarized as the “survival of the fittest”. The struggle for existence highlights competition among individuals for limited resources.

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This question is part of 🔬 General Science within the broader 🌐 Current Affairs & GK subject and appears in the ASF Airports Security Force preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.