Darwin was influenced by the writings of :

Options

A. Malthus
B. Wallace
C. Lyell
D. All of them

Answer

**Step-by-Step Solution:**

1. **Identify the Question**: The question asks about the influences on Charles Darwin's writings and theories regarding evolution.

2. **Recognize Key Figures**: The video mentions several key figures who influenced Darwin:
- Thomas Malthus
- Alfred Russel Wallace
- Charles Lyell

3. **Understand Each Influence**:
- **Thomas Malthus**: An economist who wrote about population growth, carrying capacity, and the struggle for survival. His ideas on overpopulation and competition for resources influenced Darwin's thoughts on natural selection.
- **Alfred Russel Wallace**: A naturalist who independently developed a theory of evolution similar to Darwin's. His work prompted Darwin to publish his own findings.
- **Charles Lyell**: A geologist who proposed that the Earth was shaped by gradual processes over long periods. His ideas about the age of the Earth and geological processes helped Darwin understand the time scale necessary for evolution to occur.

4. **Conclusion**: Based on the influences from these three scientists, it can be concluded that Darwin was influenced by the writings of all of them.

5. **Final Answer**: Therefore, the answer to the question is "all of them."

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