Organisms show migration in order to avoid unfavourable conditions of

Options

A. temperature
B. food availability
C. precipitation
D. all of these

Answer

**Step-by-Step Solution:**

1. **Understanding Migration**: Migration is a behavioral adaptation where organisms move from one habitat to another to escape unfavorable environmental conditions. This movement is usually temporary and is aimed at finding a more hospitable environment.

2. **Identifying Unfavorable Conditions**: Organisms migrate primarily due to harsh environmental conditions. These can include:
- Extreme temperatures (either too hot or too cold)
- Unstable climatic conditions
- Reduced food availability
- Uneven precipitation patterns

3. **Examples of Migration**: Various animal groups exhibit migratory behavior. For instance:
- The Siberian crane migrates to Bharatpur bird sanctuary to escape extremely low temperatures in its original habitat.
- Other animals, such as certain fish and insects, also migrate in response to similar unfavorable conditions.

4. **Analyzing the Options**: The question asks which unfavorable conditions lead to migration. The options likely include:
- A) Temperature
- B) Food availability
- C) Precipitation
- D) All of the above

5. **Conclusion**: Since all the mentioned conditions (temperature, food availability, and precipitation) can lead to migration, the correct answer is option D: all of the above.

---