write a short note on : (a) evergreen plant
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Answer:
Tropical evergreen forests are dense, multi-layered, and harbour many types of plants and animals. These forests are found in the areas receiving heavy rainfall (more than 200 cm annual rainfall). They are very dense. ... Therefore, these forests always appear green and are known as evergreen forests
Answer:
What is an evergreen forest?
An evergreen forest is a forest which remains green throughout the year. The trees loose their leaves continuously throughout the year , old leaves are shed at the same time new leaves are borne. There is not a particular season when trees loose all their leaves altogether which happens in deciduous forests in which trees starts loosing all its leaves in a particular Season called autumn or fall in temperate deciduous forests and dry season in tropical deciduous forests. In evergreen forests individual leaves fall irrespective of other leaves in the tree as they get old. Evergreen forest are of two types- tropical broadleaf evergreen forests occurring in tropical latitudes where rainfall occurs throughout the year and temperate evergreen forest occurring at upper temperate latitudes consisting of coniferous trees. Some temperate evergreen forests also occur at higher elevations of some mountain chains like Alps, Himalayas, Rockies etc. They consist of trees like cedar, spruce, larch,fir, cypress ,junipers, pines,yew etc. Boreal forests or taiga that are found just below the arctic circle in northern hemisphere also consists of evergreen trees