Explain briefly the 'rivet popper hypothesis' of Paul Ehrlich.

Explanation

### Step-by-Step Solution

1. **Introduction to Biodiversity**: Start by acknowledging the rich biodiversity present on Earth, which includes a vast variety of flora, fauna, and microorganisms. This diversity is crucial for maintaining ecological balance.

2. **Threat to Biodiversity**: Highlight the current threats to biodiversity, primarily due to human activities leading to habitat destruction, pollution, climate change, and overexploitation of species. This has resulted in declining populations and potential extinction of many species.

3. **Need for Conservation**: Emphasize the importance of biodiversity conservation to prevent the alarming rate of extinction and to maintain the health of ecosystems.

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