There are two main subdivisions of seed plants—the ones without covered seeds, the gymnosperms, and the ones with covered seeds, the angiosperms. In this tutorial, we will briefly look at both types of plants.

There are two main subdivisions of seed plants—the ones without covered seeds, the gymnosperms, and the ones with covered seeds, the angiosperms. In this tutorial, we will briefly look at both types of plants.