Give the scientific names of the following:
an alga with ribbon-shaped chloroplasts.

Explanation

To answer the question regarding the scientific name of an alga with ribbon-shaped chloroplasts, we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Group of Algae**:
- The question specifies an alga with ribbon-shaped chloroplasts. This characteristic is commonly found in a specific group of green algae.

2. **Classify the Alga**:
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