DENDROLOGY

Detailed explanation-1: -Answer: Examples of the angiosperms are monocots such as lilies, orchids, agaves, and grasses. Some others are the dicots like roses, peas, sunflowers, oaks, and maples. Gymnosperm examples are including the non-flowering evergreen trees such as pine, spruce, and fir.

Detailed explanation-2: -Common types of gymnosperms are conifers, cycads, ginkgoes, and gnetophytes.

Detailed explanation-3: -Angiosperm diversity is divided into two main groups, monocot and dicots, based primarily on the number of cotyledons they possess.

Detailed explanation-4: -Most gymnosperms produce seeds in structures called cones or strobili (singular strobilus; Figure 8.1. 2). Cones evolved from modified leaves, and they can either be male cones that produce pollen, or female cones that produce ovules.