Noctiluca is

Options

A. Sarcoding
B. Dinoflagellate
C. Zooflagellate
D. Ciliate.

Answer

To answer the question "Noctiluca is," we can follow these steps:

1. **Identify the Organism**: The organism in question is Noctiluca, specifically referred to as Noctiluca scintillens.

2. **Common Name**: Noctiluca scintillens is commonly known as "sea sparkle."

3. **Classification**: It is important to classify Noctiluca correctly. It is a free-living marine species.

4. **Type of Organism**: Noctiluca belongs to the group known as dinoflagellates.

5. **Characteristic Features**: One of the notable characteristics of Noctiluca scintillens is its ability to exhibit bioluminescence when disturbed.

6. **Conclusion**: Based on the classification and characteristics, we can conclude that Noctiluca is a dinoflagellate.

Thus, the correct answer to the question "Noctiluca is" is **dinoflagellate**.