Which of the following possesses mammary glands?

Options

A. Struthio
B. Pteropus
C. Hemidactylus
D. Rana

Answer

To determine which of the following organisms possesses mammary glands, we need to analyze each option provided. Mammary glands are a characteristic feature of mammals, which are a specific group of animals.

### Step-by-Step Solution:

1. **Identify the Organisms**: We have four options to consider:
- Ostrich
- Pteropus
- Hemitactilus
- Rana

2. **Analyze Each Option**:
- **Ostrich**: This is a bird. Birds do not possess mammary glands as they lay eggs and do not nurse their young with milk.
- **Pteropus**: This is known as the flying fox, which is a type of bat. Bats are mammals and do possess mammary glands, which they use to feed their offspring.
- **Hemitactilus**: This is a genus of lizards. Lizards are reptiles and do not have mammary glands.
- **Rana**: This is a genus of frogs, which are amphibians. Amphibians also do not possess mammary glands.

3. **Conclusion**: Among the options provided, only Pteropus (the flying fox) is a mammal and possesses mammary glands. Therefore, the correct answer is Pteropus.

### Final Answer:
**Pteropus possesses mammary glands.**

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