Which one is the largest living animal?

Options

A. blue whale
B. elephant
C. hippopotamus
D. giraffe

Answer

**Step-by-Step Solution:**

1. **Identify the Question**: The question asks for the largest living animal among the given options: Blue Whale, Elephant, Hippopotamus, and Giraffe.

2. **Evaluate the Options**:
- **A. Blue Whale**: Known to be the largest animal on Earth.
- **B. Elephant**: The largest terrestrial animal but not larger than the blue whale.
- **C. Hippopotamus**: A large animal but significantly smaller than the blue whale.
- **D. Giraffe**: Tallest animal but not the largest in terms of mass or length.

3. **Research Facts**: The blue whale (scientific name: Balaenoptera musculus) is a marine mammal that can reach lengths of about 98 feet and weigh up to 190 tons, making it the largest living animal recorded.

4. **Conclusion**: Based on the information, the blue whale is the largest living animal on Earth.

5. **Final Answer**: The answer to the question is **A. Blue Whale**.

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