Evolutionarily the first terrestrial plants to possess vascular tissues are

Options

A. Green algae
B. Pteridophytes
C. Brown algae
D. Bryophytes

Answer

To solve the question "Evolutionarily the first terrestrial plants to possess vascular tissues are," we will analyze the options provided and determine which group of plants first developed vascular tissues.

### Step-by-Step Solution:

1. **Understand the Options**: The options given are:
- A) Green algae
- B) Pteridophytes
- C) Brown algae
- D) Bryophytes

2. **Analyze Option A - Green Algae**:
- Green algae are simple, aquatic plants that do not have true roots, stems, or leaves. They are primarily found in water, which means they are not terrestrial plants. Therefore, option A is incorrect.

3. **Analyze Option B - Pteridophytes**:
- Pteridophytes include ferns and horsetails. They are indeed terrestrial plants and possess vascular tissues, including xylem and phloem. Their body structure is well-differentiated into true roots, stems, and leaves. Thus, option B is a strong candidate for the correct answer.

4. **Analyze Option C - Brown Algae**:
- Similar to green algae, brown algae are also primarily aquatic and do not possess true vascular tissues. Therefore, option C is incorrect.

5. **Analyze Option D - Bryophytes**:
- Bryophytes, which include mosses and liverworts, are often referred to as the amphibians of the plant kingdom because they require water for reproduction. They lack true vascular tissues and do not have true roots, stems, or leaves. Therefore, option D is also incorrect.

6. **Conclusion**:
- After analyzing all the options, we find that the first terrestrial plants to possess vascular tissues are the pteridophytes. Hence, the correct answer is **Option B - Pteridophytes**.

### Final Answer:
The correct answer is **B) Pteridophytes**.