PSEB 7th Class Social Science Notes Chapter 5 Natural Vegetation and Wildlife

This PSEB 7th Class Social Science Notes Chapter 5 Natural Vegetation and Wildlife will help you in revision during exams.

→ Natural Vegetation: Natural vegetation means the flora which takes seed on its own.

→ Because of differences in surface and climate, many types of vegetation are found on earth.

→ Parts of Natural Vegetation: It can be divided into three parts:

→ Types of Forests: The annual rainfall, climate change, and temperature affect the different types of forests.

→ The forests have been divided into three types:

→ Hot Deserts: These places lack rainfall and vegetation and there is sand and sand on all sides.

→ Cold Deserts: In these areas, there is snow everywhere. When the snow melts sometimes, some flowery plants grow.

→ Animal Kingdom: In the world, there are many species of animals. Many colourful birds are also found.

→ Many species of wildlife have become extinct because of human activities.

→ Animal Sanctuaries: For the protection of wildlife many sanctuaries have been made so that the wildlife can be saved from extinction.

→ Forests: A tract of woodland or a type of biome in which the dominant plants are trees.

→ Grasslands: The areas of the world where natural vegetation is made up of grass.

→ Tropical Evergreen: The forests of areas with an annual rainfall of 200 cm or more.

→ Tropical Deciduous Forests: These forests are the typical type of natural vegetation of monsoon regions.

→ Mediterranean Forests: These forests are found in areas with hot summers and mild rainy winters.

→ Thorny bushes: These are the typical vegetation of dry deserts. Xerophytic vegetation grows with long roots.

→ Tundra Vegetation: The vegetation of extremely cold regions consists of mosses and lichens.

→ Coniferous Forests: These are also called Taiga. Trees are tall, softwood, and have a conical shape with needle-like leaves.