Which one the following is the species ?

Options

A. Carnivora
B. Canis
C. Familiaris
D. Trypanosoma

Answer

To solve the question "Which one of the following is the species?", we will analyze the options provided and identify which one represents a species.

### Step-by-Step Solution:

1. **Understanding the Options**:
- The question presents several terms, and we need to identify which one is a species.

2. **Analyzing the First Option: Carnivora**:
- Carnivora is an order of mammals that primarily consume meat. It includes various families such as Felidae (cats), Canidae (dogs), and others.
- **Conclusion**: Carnivora is not a species; it is an order.

3. **Analyzing the Second Option: Canis**:
- Canis is a genus that includes several species such as wolves (Canis lupus), domestic dogs (Canis familiaris), and jackals.
- **Conclusion**: Canis is not a species; it is a genus.

4. **Analyzing the Third Option: Canis familiaris**:
- Canis familiaris is the scientific name for the domestic dog. Here, "Canis" is the genus, and "familiaris" is the species name.
- **Conclusion**: Canis familiaris is indeed a species.

5. **Analyzing the Fourth Option: Trypanosoma**:
- Trypanosoma is a genus of unicellular parasitic protozoa. It includes species that cause diseases such as sleeping sickness.
- **Conclusion**: Trypanosoma is not a species; it is a genus.

6. **Final Conclusion**:
- The only option that represents a species is **Canis familiaris**.

### Answer:
The correct answer is **Canis familiaris**.

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