Five closely related species of warbles can survive on a same tree. This explains which aspect of competition ?

Explanation

To answer the question regarding the five closely related species of warblers that can survive on the same tree, we can break down the solution into several steps:

### Step-by-Step Solution:

1. **Understanding Competition**:
- Competition in ecology refers to the struggle between organisms for the same resources (such as food, space, or mates) in an environment. It can lead to a decrease in the fitness of one or more species involved.

2. **Intrinsic Rate of Increase (R)**:
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