Charles Robert Darwin published his work on the evolution in his book

Options

A. Origin of life
B. On the origin of species
C. Genetics and origin of species
D. Natural selection.

Answer

**Step-by-Step Solution:**

1. **Identify the Author and Context**: The question asks about Charles Robert Darwin and his work on evolution.

2. **Recall the Publication Year**: Darwin published his significant work in the year 1859.

3. **Title of the Book**: The title of the book where Darwin presented his theory of evolution is "On the Origin of Species".

4. **Understanding the Content**: In this book, Darwin outlines his theory of natural selection and provides evidence for evolution, making it a foundational text in the field of biology.

5. **Select the Correct Option**: Among the given options, the correct one is "On the Origin of Species".

**Final Answer**: The correct answer is "On the Origin of Species".

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