AP BIOLOGY

Detailed explanation-1: -Trees are mostly broadleaf tree species including oaks (Quercus), hickories (Carya), maples (Acer), and beeches (Fagus), and commonly a diverse community of multiple strata of understory trees and shrubs, perennial herbs, and mosses.

Detailed explanation-2: -Most of the trees are broadleaf trees such as oak, maple, beech, hickory and chestnut. There are also several different kinds of plants like mountain laurel, azaleas and mosses that live on the shady forest floor where only small amounts of sunlight get through.

Detailed explanation-3: -The main trees found in these forests in North America and Eurasia include fir, oak, ash, maple, birch, beech, poplar, elm and pine. Other plant species may include magnolia, prunus, holly, and rhododendron.

Detailed explanation-4: -Temperate deciduous forests have a great variety of plant species. Most have three levels of plants. Lichen, moss, ferns, wildflowers and other small plants can be found on the forest floor. Shrubs fill in the middle level and hardwood trees like maple, oak, birch, magnolia, sweet gum and beech make up the third level.

Detailed explanation-5: -Temperate evergreen forests Vegetation includes coniferous-evergreen tree species that produce cones and needles, dominated by spruce (Picea), pine (Pinus), fir (Abies), and hemlock (Tsuga) species, and the trees retain at least some of their needles year-round.