Ecological pyramids are also called

Options

A. Pyramid of number
B. Eltonian pyramids
C. Pyramids of energy
D. Pyramids of biomass

Answer

**Step-by-Step Solution:**

1. **Understanding Ecological Pyramids**: Ecological pyramids are graphical representations that show the relationship between different trophic levels in an ecosystem. They can represent the number of organisms, biomass, or energy at each level.

2. **Identifying the Types of Ecological Pyramids**: There are three main types of ecological pyramids:
- Pyramid of Number: Represents the number of individual organisms at each trophic level.
- Pyramid of Biomass: Represents the total mass of living matter at each trophic level.
- Pyramid of Energy: Represents the flow of energy through the different trophic levels.

3. **Recognizing the Alternative Name**: The question asks for another name for ecological pyramids. The term "Eltonian pyramids" is often used to refer to ecological pyramids, named after the ecologist Charles Elton.

4. **Selecting the Correct Option**: Among the options provided:
- Option A: Pyramid of Number (this is a type of ecological pyramid)
- Option B: Eltonian Pyramids (this is another name for ecological pyramids)
- Option C: Pyramid of Energy (this is a type of ecological pyramid)
- Option D: Pyramid of Biomass (this is a type of ecological pyramid)

The correct answer is **Option B: Eltonian Pyramids**.

**Final Answer**: Ecological pyramids are also called Eltonian pyramids.

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