What are differences between evergreen and deciduous forests?

Answer 1

deciduous trees drop their leaves all at once at the end of the warm season; evergreen means the tree never drops its leaves all at once but rather sheds them evenly throughout the year as they become old or diseased. Evergreen forests include coniferous forest (pines, spruces, etc.) and tropical broadleaf forests, and deciduous forests are usually temperate broadleaf forests (oaks, maples, etc.) broadleaf evergreens are able to exist in the tropics because it is always warm and there is always plenty of light available for photosynthesis, whereas broadleaf trees in temperate regions are usually deciduous because it is more energy efficient for the trees to go dormant and drop the unnecessarily large leaves when it gets cold and the amount of light decreases in the winter. Coniferous forests retain their leaves even in extremely cold climates because the leaves are so small and thin that it is not a burden to keep them on.