What is heterospory? Briefly comment on its significance. Give two examples.

Explanation

### Step-by-Step Solution:

1. **Definition of Heterospory**:
- Heterospory refers to the phenomenon where a single plant produces two different types of spores. The term "hetero" means different, and "spory" refers to the production of spores.

2. **Types of Spores**:
- In heterospory, the two types of spores produced are:
- **Microspores**: These are the smaller spores that develop into male gametophytes.
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