Fill in the blanks :
Plants are called as ............because they can fix carbon dioxide .

Answer

**Step-by-Step Solution:**

1. **Understanding the Role of Plants**: Plants play a crucial role in the ecosystem as they are capable of converting carbon dioxide into organic compounds.

2. **Photosynthesis Process**: This conversion occurs through a process known as photosynthesis, where plants use sunlight to convert carbon dioxide and water into glucose (C6H12O6) and oxygen.

3. **Definition of Autotrophs**: Organisms that can produce their own food by fixing carbon dioxide are classified as autotrophs. This group includes plants, algae, and some bacteria.

4. **Conclusion**: Since plants can fix carbon dioxide and produce their own food, they are referred to as autotrophs.

5. **Final Answer**: Therefore, the blank can be filled with the word "autotrophs".

**Final Answer**: Plants are called as **autotrophs** because they can fix carbon dioxide.

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