AP BIOLOGY

Detailed explanation-1: -Coniferophyta. These are the most commonly known species among the gymnosperm family. They are evergreen; hence they do not shed their leaves in the winter.

Detailed explanation-2: -The seeds of these plants are on cones or in cups. Most gymnosperms are evergreen. Gymnosperms include conifers, cycads and the ginkgo.

Detailed explanation-3: -Conifer is the common name, but if we want to be official about their moniker, we can use Pinophyta, Coniferophyta, or Coniferae. Most often, conifers are trees – though some species and varieties fall into the category of shrub.

Detailed explanation-4: -Gymnosperms are known as evergreen plants because they do not shed their leaves. They shed only those leaves which are old and least productive. Leaves of gymnosperm remains with the plant for three to five years before they shed their leaves. Therefore they are evergreen.

Detailed explanation-5: -gymnosperm, any vascular plant that reproduces by means of an exposed seed, or ovule-unlike angiosperms, or flowering plants, whose seeds are enclosed by mature ovaries, or fruits. The seeds of many gymnosperms (literally, “naked seeds”) are borne in cones and are not visible until maturity.