A floating brown algae that covers thousands of hectares of sea in Atlantic ocean is

Options

A. Fucus
B. Nereocystis
C. Sargassum
D. Dictyota

Answer

To solve the question regarding the floating brown algae that covers thousands of hectares of sea in the Atlantic Ocean, we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Types of Algae**: The question mentions brown algae specifically. Algae are classified into three main groups: green algae, red algae, and brown algae.

2. **Consider the Options Given**: The options provided are:
- A) Phucos
- B) Nereocystis
- C) Sargassum
- D) Dictoida

3. **Recall Characteristics of Brown Algae**: Brown algae are known for their large size and can be found in marine environments. They often have a buoyant structure that allows them to float.

4. **Focus on the Atlantic Ocean**: The question specifies that the algae in question are found in the Atlantic Ocean. This is a clue that can help narrow down the options.

5. **Identify the Correct Algae**:
- **Sargassum** is a type of brown algae that is known to float and is commonly found in the Sargasso Sea, which is part of the Atlantic Ocean. It is often referred to as "gulf weed" and can cover large areas of the sea.

6. **Conclusion**: Based on the characteristics and the specific mention of the Atlantic Ocean, the correct answer is **C) Sargassum**.

### Final Answer:
The floating brown algae that covers thousands of hectares of sea in the Atlantic Ocean is **Sargassum**.

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