Survival of plants in terrestrial environment has been made possible by the presence of

Options

A. intercalary meristem
B. conducting tissue
C. apical meristem
D. parenchyma tissue

Explanation

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks about the adaptation that allows plants to survive in terrestrial environments.

2. **Identifying the Options**: The options provided include intercalary meristem, conducting tissue, apical meristem, and parenchyma.

3. **Analyzing Intercalary Meristem**: This is a type of meristematic tissue responsible for the primary growth of plants, allowing them to elongate. However, it does not specifically contribute to survival in a terrestrial environment.

4. **Considering Conducting Tissue**: Conducting tissues, specifically xylem and phloem, are crucial for the transport of water, nutrients, and food throughout the plant. In terrestrial environments, the roots absorb water from the soil, and the xylem transports this water to other parts of the plant. This adaptation is essential for survival on land.

5. **Examining Apical Meristem**: Apical meristem is located at the tips of roots and shoots and is involved in growth. Like intercalary meristem, it does not specifically address the challenges of terrestrial survival.

6. **Looking at Parenchyma**: Parenchyma is a type of permanent tissue involved in various functions such as storage and photosynthesis. While it is important for plant function, it does not specifically enable survival in terrestrial environments.

7. **Conclusion**: The correct answer is "conducting tissue" because it is essential for the transport of water and nutrients, which is critical for the survival of plants in terrestrial habitats.

**Final Answer**: The survival of plants in terrestrial environments has been made possible by the presence of conducting tissue (xylem and phloem).

---