Reproductive isolation on the basis of different habitats is called ecological isolation.

Explanation

**Step-by-Step Solution:**

1. **Understanding Reproductive Isolation:**
- Reproductive isolation refers to mechanisms that prevent different species from interbreeding. This can occur even if species share the same habitat but have developed differences over time.

2. **Types of Reproductive Isolation:**
- There are various types of reproductive isolation, including ecological, temporal, behavioral, mechanical, and gametic isolation. Each type prevents species from mating or producing fertile offspring.

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