Pyramid of numbers deals with number of

Options

A. Species in an area
B. Indivividuals in a community
C. Individuals in a trophic level
D. Sub-species in a community

Explanation

**Step-by-Step Solution:**

1. **Understanding the Pyramid of Numbers**: The pyramid of numbers is a graphical representation that illustrates the number of individual organisms at each trophic level in an ecosystem. It helps visualize the population distribution among different levels of the food chain.

2. **Identifying the Components**: In the pyramid of numbers, each bar represents a different trophic level, starting from the producers at the bottom and moving up to the top predators. Each bar's width corresponds to the number of individuals present at that level.

3. **Focus on Individual Organisms**: The pyramid specifically deals with the number of individual organisms present in each trophic level, rather than their biomass or size. This means it counts how many organisms are present, regardless of how large or small they are.

4. **Conclusion**: Based on the definition and characteristics of the pyramid of numbers, the correct answer to the question "Pyramid of numbers deals with the number of" is "individual in a trophic level."

5. **Final Answer**: The correct option is C: individual in a trophic level.

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