Which of the following doesn't involve anthropogenic action?

Options

A. Development of various breeds of dogs
B. Development of various of cabbage
C. Development of various resistant organisms
D. Development of various of marsupials

Answer

To solve the question "Which of the following doesn't involve anthropogenic action?", we need to analyze each of the provided options and determine whether they are influenced by human activities or not.

### Step-by-Step Solution:

1. **Understanding Anthropogenic Actions**:
- Anthropogenic actions refer to activities that are caused or influenced by human actions. This includes any modifications or developments that humans make to the environment or living organisms.

2. **Analyzing the Options**:
- **Option A: Development of various breeds of dogs**:
- This involves selective breeding by humans to create different dog breeds for various purposes (companionship, work, etc.).
- **Conclusion**: Involves anthropogenic action.

- **Option B: Development of various types of cabbage**:
- Similar to dogs, humans have cultivated and selectively bred different types of cabbage (like broccoli and red cabbage) for agricultural benefits.
- **Conclusion**: Involves anthropogenic action.

- **Option C: Development of various resistant organisms**:
- This refers to the human-driven development of crops that are resistant to pests and diseases through selective breeding or genetic modification.
- **Conclusion**: Involves anthropogenic action.

- **Option D: Development of various marsupials**:
- Marsupials, such as kangaroos and koalas, evolve naturally through a process known as adaptive radiation. This development is not influenced by human actions.
- **Conclusion**: Does not involve anthropogenic action.

3. **Final Answer**:
- The correct option that does not involve anthropogenic action is **D: Development of various marsupials**.