Ascaris is monogenetic. It means it has

Options

A. One host
B. Two hosts
C. Three hosts
D. None of the above

Answer

**Step-by-Step Solution:**

1. **Understanding the Term "Monogenetic":**
- The term "monogenetic" refers to organisms that complete their life cycle using a single host. This means that all stages of their development occur within one host organism.

2. **Identifying Ascaris:**
- Ascaris is a genus of parasitic worms, with the most common species being Ascaris lumbricoides. It belongs to the phylum Nematoda and the kingdom Animalia.

3. **Life Cycle of Ascaris:**
- Ascaris lumbricoides is known to be a monogenetic parasite, which means it relies solely on humans as its host for completing its life cycle.

4. **Conclusion:**
- Therefore, when we say that Ascaris is monogenetic, it indicates that it has a life cycle that is completed entirely within a single host, which, in this case, is the human.

**Final Answer:**
Ascaris is monogenetic, meaning it has a life cycle that is completed entirely within a single host, specifically humans.

---