Testes are abdominal in

Options

A. Whales, Dolphins, Porpoises
B. Shrews, Moles, Hedgehogs
C. Sea cows
D. all of the above

Answer

To solve the question "Testes are abdominal in," we will analyze the options provided and understand the concept of abdominal testes.

### Step-by-Step Solution:

1. **Understanding Abdominal Testes**:
- Abdominal testes refer to testes that are not descended into the scrotum but remain in the abdominal cavity. This condition is known as cryptorchidism.

2. **Identifying the Groups**:
- The question lists several groups: whales, dolphins, porpoises, shrews, moles, hedgehogs, sea cows, and all of the above. We need to determine which of these groups have abdominal testes.

3. **Analyzing Each Group**:
- **Whales, Dolphins, and Porpoises**: These marine mammals have their testes located in the abdominal cavity. This is beneficial as the internal environment maintains an optimal temperature for sperm production.
- **Shrews, Moles, and Hedgehogs**: These small mammals also have abdominal testes.
- **Sea Cows**: This group, including manatees and dugongs, also has abdominal testes.

4. **Conclusion**:
- Since all the groups mentioned have abdominal testes, the correct answer to the question is **"All of the above."**

### Final Answer:
The correct option is **"All of the above."**

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