The improvement in varieties of animals and plants for human advantage is a process of:

Options

A. Natural selection
B. Artificial selection
C. Sexual selection
D. Stabilizing selection

Answer

To solve the question, "The improvement in varieties of animals and plants for human advantage is a process of:", we will analyze the options provided and determine which one best fits the description.

### Step-by-Step Solution:

1. **Understanding the Question**: The question asks about the process through which humans improve the varieties of animals and plants for their own benefit.

2. **Analyzing the Options**:
- **Natural Selection**: This is a process where organisms adapt to their environment over time. It is not driven by human intervention, so it does not fit the question.
- **Artificial Selection**: This is the process where humans select for desirable traits in plants and animals. This directly aligns with the idea of improving varieties for human advantage.
- **Sexual Selection**: This is a type of natural selection where individuals select mates based on certain traits. While it can lead to changes in species, it is not specifically aimed at human benefit.
- **Stabilizing Selection**: This type of selection favors average traits and reduces variation. It does not involve improvement for human advantage.

3. **Identifying the Correct Answer**: Based on the analysis, the option that best describes the improvement of varieties of animals and plants for human advantage is **Artificial Selection**.

### Final Answer:
The improvement in varieties of animals and plants for human advantage is a process of **Artificial Selection**.

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