What are cryptogams and phanerogams?

Explanation

### Step-by-Step Solution:

1. **Definition of Cryptogams**:
- Cryptogams are plants that do not produce visible seeds. They reproduce through spores and are generally small in size.

2. **Characteristics of Cryptogams**:
- The reproductive organs of cryptogams are hidden and not well-developed.
- They reproduce using spores, which are tiny structures that facilitate reproduction.
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