Do Seedless vascular plants use spores to reproduce?

In seedless vascular plants, such as ferns and horsetails, the plants reproduce using haploid, unicellular spores instead of seeds. The spores are very lightweight (unlike many seeds), which allows for their easy dispersion in the wind and for the plants to spread to new habitats.

Seedless vascular plants reproduce through unicellular, haploid spores instead of seeds;

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the answer is 1. photosynthesis. glad to