The smallest mammal in the world is a

Options

A. Shrew
B. Bat
C. Cat
D. Dog

Answer

**Step-by-Step Solution:**

1. **Understanding the Question:**
- The question asks for the smallest mammal in the world among the given options: Shrew, Bat, Cat, or Dog.

2. **Identifying the Options:**
- The options provided are:
- Shrew
- Bat
- Cat
- Dog

3. **Analyzing Each Option:**
- **Shrew:**
- Shrews are small mammals that resemble mice but are generally larger than the smallest bat. Thus, they cannot be the smallest mammal.
- **Bat:**
- The Bumble Bee Bat, also known as Kitti's Hog-nosed Bat, is recognized as the smallest mammal in the world. It has a body length of about 29 to 33 mm and weighs approximately 1.7 to 2 grams.
- **Cat:**
- Domestic cats are larger than both bats and shrews, making them not the smallest mammal.
- **Dog:**
- Dogs are also larger than bats and shrews, so they cannot be the smallest mammal.

4. **Conclusion:**
- After analyzing all the options, the correct answer is the Bat, specifically the Bumble Bee Bat, which is the smallest mammal in the world.

5. **Final Answer:**
- The smallest mammal in the world is a Bat.

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