The scientists believe that evolution is gradual. But extinction, part of evolutionary story, are 'sudden' and 'abrupt and also group-specific. Comment whether a natural disaster can be the cause for extinction of species.

Explanation

### Step-by-Step Text Solution:

1. **Understanding Evolution and Extinction**:
- Evolution is generally understood as a gradual process through which species change over time. However, extinction can occur suddenly and is often specific to certain groups of organisms.

2. **Natural Disasters as a Cause of Extinction**:
- Yes, natural disasters can indeed be a cause of extinction for species. Events such as volcanic eruptions, earthquakes, and asteroid impacts can drastically alter the environment.

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