Phoenix dactylifera is an example of

Options

A. 2000 years old viable seed
B. Flowers once in a lifetime
C. Showing 10,000 years of dormancy
D. Releasing largest pollen

Answer

**Step-by-Step Text Solution:**

1. **Identify the Subject**: The question asks about "Phoenix dactylifera," which is commonly known as the date palm.

2. **Understand the Options**: The options provided are:
- A) 2,000 years old viable seed
- B) Flowers once in a lifetime
- C) Showing 10,000 years of dormancy
- D) Releasing the largest pollen

3. **Analyze Each Option**:
- **Option A (2,000 years old viable seed)**: The Judean date palm, which is a cultivar of Phoenix dactylifera, had seeds that were about 2,000 years old and were successfully sprouted. This option is correct.

- **Option B (Flowers once in a lifetime)**: This characteristic is associated with bamboo species, which flower once in their lifetime. Therefore, this option is incorrect for Phoenix dactylifera.

- **Option C (Showing 10,000 years of dormancy)**: The oldest known viable seeds are from Lupinus arcticus, which can be 10,000 years old. This does not pertain to Phoenix dactylifera, making this option incorrect.

- **Option D (Releasing the largest pollen)**: The plant known for having the largest pollen grains is Zostera, not Phoenix dactylifera. Thus, this option is also incorrect.

4. **Conclusion**: After analyzing all the options, the correct answer is that Phoenix dactylifera is an example of a 2,000 years old viable seed.

**Final Answer**: Phoenix dactylifera is an example of a 2,000 years old viable seed.

---