In snakes the cloaca receives the opening of

Options

A. gut
B. genital system
C. urinary system
D. gut and urinogenital system.

Answer

To answer the question "In snakes, the cloaca receives the opening of," we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Anatomy of Snakes**:
- Snakes belong to the class Reptilia and are categorized under the group Serpentes. They have a unique anatomical structure compared to higher mammals.

2. **Identify the Function of the Cloaca**:
- The cloaca is a common opening in reptiles (including snakes) that serves multiple functions. It is involved in the excretion of waste and the release of reproductive cells.

3. **Differentiate Between Systems**:
- In higher mammals, there are separate openings for the digestive system (anus), urinary system (urethra), and reproductive system. However, snakes have a single opening for all these functions.

4. **Recognize the Systems Connected to the Cloaca**:
- The cloaca receives openings from:
- The **gut** (digestive system)
- The **urogenital system** (which includes both excretory and reproductive functions)

5. **Select the Correct Answer**:
- Based on the functions of the cloaca, the correct answer to the question is that the cloaca in snakes receives the openings of both the gut and the urogenital system.

### Final Answer:
The cloaca in snakes receives the openings of the gut and the urogenital system.

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