Differentiate between Ascus and ascocarp

Explanation

### Step-by-Step Solution:

1. **Definition of Ascus**:
- Ascus is a specialized structure found in fungi, particularly in the phylum Ascomycetes. It can take various shapes, including spherical, cylindrical, or dumbbell-shaped.
- The primary function of the ascus is to facilitate sexual reproduction by allowing the fusion of haploid nuclei.

2. **Process in Ascus**:
- Within the ascus, the fusion of haploid nuclei occurs, which is a crucial step in sexual reproduction.
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