True because since there are not many ways for them to erode they can thrive
That would be false because they can also be caused by ultraviolet light
<span>Plants that produce seeds within a cone are called gymnosperms. This is a type of plants that includes conifers, cycads, Ginkgo, and gnetophytes. Angiosperms have flowers, which is something gymnosperms do not. Microsporangia are just places where spores are created. So the correct answer has to be gymnosperms. </span>