Which one of the following statements is correct for secondary succession?

Options

A. It begins on a bare rock.
B. It occurs on a deforested site.
C. It follows primary succession.
D. It is similar to primary succession except that primry succession has a relatively fast pace.

Answer

To determine which statement is correct for secondary succession, we can follow these steps:

### Step-by-Step Solution:

1. **Understand Secondary Succession**:
- Secondary succession occurs in an area where a community has already existed but has been disturbed or destroyed due to events such as fire, flood, or human activities like deforestation.

2. **Identify Characteristics of Secondary Succession**:
- It is important to note that secondary succession happens on previously inhabited land, where the soil and some organisms may still remain, allowing for a quicker recovery and regrowth of the ecosystem.

3. **Compare with Primary Succession**:
- Unlike primary succession, which starts from bare rock or lifeless areas and takes a longer time to establish a community, secondary succession is generally faster because the soil is already enriched with nutrients from the previous community.

4. **Evaluate the Given Statements**:
- **Statement 1**: "It begins on a bare rock." - This is incorrect because secondary succession does not start on bare rock; that is characteristic of primary succession.
- **Statement 2**: "It occurs on the deforested site." - This is correct as deforestation implies that a community existed before and was destroyed.
- **Statement 3**: "It follows the primary succession." - This is misleading; secondary succession can occur independently of primary succession.
- **Statement 4**: "It is similar to the primary but the primary succession is relatively fast." - This is incorrect because primary succession is slower than secondary succession.

5. **Conclusion**:
- The correct statement regarding secondary succession is that it occurs on a deforested site.

### Final Answer:
The correct statement for secondary succession is: **"It occurs on the deforested site."**

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