Which group of gymnosperms contains only one species? 1.ginkgoes 2.conifers 3.cycads 4.gnetophytes?

Phil2016-03-04T09:57:37Z

Ginkgo biloba is the only non-extinct species in the Ginkgoaceae family; in fact, in the entire Ginkgophyta phylum. There are several other species known from the fossil record.