Which scientist proposed 'Rivet popper hypothesis' related to biodiversity and Ecosystems?

Options

A. Alexander von Humboldt
B. Paul Ehrlich
C. David tilman
D. Tansley

Answer

To answer the question regarding which scientist proposed the 'Rivet Popper Hypothesis' related to biodiversity and ecosystems, we can follow these steps:

### Step-by-Step Solution:

1. **Understanding the Hypothesis**: The Rivet Popper Hypothesis is a concept that relates to biodiversity and the functioning of ecosystems. It suggests that each species in an ecosystem can be compared to a rivet in an airplane, where each rivet is crucial for the structural integrity of the airplane.

2. **Analogy Explanation**: Just as an airplane is constructed with thousands of rivets that hold it together, an ecosystem is composed of many species that interact and support each other. If rivets (or species) are removed, the airplane (or ecosystem) may still function initially, but as more rivets are lost, the risk of failure increases.

3. **Identifying the Scientist**: The Rivet Popper Hypothesis was proposed by an ecologist who aimed to illustrate the importance of biodiversity. The scientist who formulated this hypothesis is Paul Ehrlich.

4. **Conclusion**: Therefore, the answer to the question is that the Rivet Popper Hypothesis was proposed by Paul Ehrlich.

### Final Answer:
The scientist who proposed the 'Rivet Popper Hypothesis' related to biodiversity and ecosystems is **Paul Ehrlich**.

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