State a reason for the increased population of dark coloured moths coinciding with the loss of lichens (on tree barks) during industrialization period in England.

Explanation

**Step-by-Step Solution:**

1. **Understanding the Context**: The question pertains to the phenomenon observed during the industrialization period in England, specifically focusing on the population dynamics of dark-colored moths and the loss of lichens on tree barks.

2. **Identifying Key Terms**:
- **Industrial Melanism**: This is a term used to describe the evolutionary process where darker individuals of a species become more prevalent due to environmental changes caused by industrialization.
- **Lichens**: These are symbiotic organisms made up of fungi and algae, which are sensitive to pollution and typically have a lighter color.

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