How are pteridophytes different from the phanerogams?

Explanation

### Step-by-Step Solution:

1. **Definition of Pteridophytes and Phanerogams**:
- Pteridophytes are vascular plants that reproduce via spores and do not produce seeds. They include ferns and horsetails.
- Phanerogams, also known as seed plants, are plants that reproduce through seeds and include flowering plants and gymnosperms.

2. **Reproductive Structures**:
- Pteridophytes have less differentiated reproductive organs. Their reproductive structures are simpler and less specialized.
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