Which one of the following plants shows a very close relationship with a species of moth, where none of the two can complete its life cycle without the other

Options

A. Viola
B. Banana
C. Yucca
D. Hydrilla

Answer

To solve the question regarding which plant shows a close relationship with a species of moth, where neither can complete its life cycle without the other, we can follow these steps:

### Step-by-Step Solution:

1. **Understanding the Relationship**: We need to identify a plant that has a mutualistic relationship with a moth. In mutualism, both species benefit from the interaction.

2. **Analyzing the Options**: The options given are:
- A) Viola
- B) Banana
- C) Yucca
- D) Hydrilla

3. **Identifying the Correct Plant**:
- **Viola**: This plant does not have a known mutualistic relationship with moths.
- **Banana**: While bananas are pollinated, they do not have a specific relationship with a moth that is critical for their life cycle.
- **Yucca**: This plant is known for its mutualistic relationship with the Yucca moth. The moth lays its eggs in the flowers of the Yucca plant, and in return, the moth pollinates the flowers. The larvae of the moth feed on some of the seeds, but not all, allowing the plant to reproduce.
- **Hydrilla**: This aquatic plant does not have a significant relationship with moths.

4. **Conclusion**: The plant that shows a very close relationship with a species of moth, where neither can complete its life cycle without the other, is **C) Yucca**.

### Final Answer:
The correct answer is **C) Yucca**.

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