'Origin of Species' was written by

Options

A. Lamarck
B. Darwin
C. Linnaeus
D. Oparin

Explanation

**Step-by-Step Text Solution:**

1. **Identify the Title of the Book**: The question asks about the book titled "Origin of Species." The full title of the book is "On the Origin of Species by Means of Natural Selection."

2. **Determine the Author**: The book was written by a prominent naturalist and biologist known for his contributions to the understanding of evolution.

3. **Recall the Year of Publication**: "On the Origin of Species" was published in the year 1859.

4. **Conclude with the Author's Name**: The author of "On the Origin of Species" is Charles Darwin, who introduced the concept of natural selection as a mechanism for evolution.

5. **Final Answer**: Therefore, the correct answer to the question is Charles Darwin.

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