Sac Fungi are

Options

A. Ascomycetes
B. Basidiomycetes
C. Phycomycetes
D. Zygomycetes.

Answer

### Step-by-Step Solution:

1. **Understanding the Question**: The question asks about "Sac Fungi," which is a specific classification within the kingdom Fungi.

2. **Identifying the Options**: The options provided are:
- A) Escomycetes
- B) Basidiomycetes
- C) Phycomycetes
- D) Zygomycetes

3. **Reviewing Fungal Classification**: Fungi are classified based on their reproductive structures and methods. The main groups include:
- **Ascomycetes (Sac Fungi)**: Characterized by the presence of a sac-like structure called an ascus, where ascospores are produced.
- **Basidiomycetes (Club Fungi)**: Known for their club-shaped reproductive structures called basidia.
- **Phycomycetes (Algal Fungi)**: Often aquatic and can have a simpler structure.
- **Zygomycetes (Pin Molds)**: Known for forming zygospores during reproduction.

4. **Identifying Sac Fungi**: Sac fungi are specifically classified as **Ascomycetes** because they produce ascospores in an ascus.

5. **Conclusion**: The correct answer to the question "Sac Fungi are" is **A) Escomycetes**.

### Final Answer:
**Sac Fungi are Escomycetes.**

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