A.I. Oparin wrote

Options

A. Origin of species
B. Origin of life
C. Philosophle zoologique
D. The planet

Answer

To answer the question "A.I. Oparin wrote," we need to analyze the options provided and identify the correct book authored by A.I. Oparin.

### Step-by-Step Solution:

1. **Identify the Options**: The options given are:
- A) Origin of Species
- B) Origin of Life
- C) Philosophic Zoologic
- D) The Planet

2. **Evaluate Each Option**:
- **Option A: Origin of Species**: This book was written by Charles Darwin. It discusses the theory of natural selection and evolution. Therefore, this option is incorrect.

- **Option B: Origin of Life**: This book is indeed written by Alexander I. Oparin. It explores theories about the origin of life on Earth. This option is correct.

- **Option C: Philosophic Zoologic**: This book was authored by Jean-Baptiste Lamarck, who is known for his early theories of evolution. Thus, this option is incorrect.

- **Option D: The Planet**: This book was written by H.C. Urey, not A.I. Oparin. Therefore, this option is also incorrect.

3. **Conclusion**: After evaluating all the options, the only correct answer is **B) Origin of Life**, which is the book written by A.I. Oparin.

### Final Answer:
A.I. Oparin wrote **Origin of Life**.

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