Name a group of algae which contain plenty of fucoxanthin.

Explanation

To answer the question "Name a group of algae which contain plenty of fucoxanthin," we can follow these steps:

### Step-by-Step Solution:

1. **Understand Fucoxanthin**: Fucoxanthin is a type of xanthophyll, which is an accessory pigment found in various algae. It plays a role in photosynthesis by capturing light energy.

2. **Identify the Type of Algae**: Fucoxanthin is particularly abundant in certain groups of algae. It is primarily found in brown algae.

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