AP BIOLOGY

Detailed explanation-1: -Pinus is a gymnosperm plant that belongs to the order Coniferales. They have roots, stems, and leaves but do not have flowers. They are monoecious plants having male and female cones both on a single plant.

Detailed explanation-2: -Gymnosperms are seed-producing plants but they do not bear flowers. Phanerogams consist of both angiosperms and gymnosperms.

Detailed explanation-3: -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.

Detailed explanation-4: -Gymnosperm seeds are usually formed in unisexual cones, known as strobili, and the plants lack fruits and flowers.

Detailed explanation-5: -Angiosperms, are also known as flowering plants and having seeds enclosed within their fruit. Whereas gymnosperms have no flowers or fruits and have naked seeds on the surface of their leaves. Gymnosperm seeds are configured as the cones.