Radial system is found in

Options

A. Planaria
B. Taenia
C. Fasciola
D. Sea anemone

Answer

To answer the question "Radial system is found in," we can follow these steps:

### Step-by-Step Solution:

1. **Understand Radial Symmetry**:
- Radial symmetry refers to organisms that can be divided into similar halves by multiple planes passing through the central axis. This means that if you cut the organism in various ways, the resulting pieces will be similar.

2. **Identify Organisms with Radial Symmetry**:
- Organisms that exhibit radial symmetry include sea anemones, jellyfish, and starfish. These organisms are often found in aquatic environments.

3. **Phylum Classification**:
- Sea anemones and jellyfish belong to the phylum **Cnidaria** (previously known as Coelenterata). This phylum includes various marine animals that exhibit radial symmetry.
- Starfish belong to the phylum **Echinodermata**, which also displays radial symmetry, particularly in their adult forms.

4. **Examine the Options**:
- The question likely provides multiple-choice options. Based on the understanding of radial symmetry, we can eliminate options that do not fit.
- For example, if options include organisms like planarians or tapeworms, we can eliminate them because they belong to the phylum **Platyhelminthes** and exhibit bilateral symmetry.

5. **Select the Correct Answer**:
- From the analysis, the correct answer to the question "Radial system is found in" would be **sea anemones** (Cnidaria) as they are a clear example of organisms that exhibit radial symmetry.

### Final Answer:
- The radial system is found in **C. anemone**.