Select incorrect statement regarding different population attributes

Options

A. Natural selection operates at population level
B. Size of the population tells a lot about its status in the habitat
C. In age pyramids age distribution of male and females are shown in separate diagrams
D. Population is a group of individuals multiplying by sexual and sexual reproduction

Answer

To solve the question regarding the incorrect statement about different population attributes, we will analyze each option provided.

### Step-by-Step Solution:

1. **Understand the Question**: The question asks us to identify the incorrect statement regarding different population attributes.

2. **Evaluate Each Option**:
- **Option 1**: "Natural selection operates at population level."
- **Analysis**: This statement is true. Natural selection indeed acts on populations, favoring individuals with advantageous traits that enhance survival and reproduction.

- **Option 2**: "Size of population tells a lot about its status in the habitat."
- **Analysis**: This statement is also true. The size of a population can indicate its health, viability, and stability within a habitat.

- **Option 3**: "In age pyramid, age distribution of males and females are shown in separate diagrams."
- **Analysis**: This statement is incorrect. An age pyramid displays the age distribution of a population, typically combining both males and females in a single diagram, rather than separating them.

- **Option 4**: "Population is a group of individuals multiplying by sexual and asexual reproduction."
- **Analysis**: This statement is true. A population consists of individuals that can reproduce, either sexually or asexually.

3. **Identify the Incorrect Statement**: Based on the evaluations, the incorrect statement is **Option 3**: "In age pyramid, age distribution of males and females are shown in separate diagrams."

4. **Conclusion**: The correct answer to the question is **Option 3**.