Page 136 - SST Class 07

Just Think! animals which have thick fur and thick skin to
protect themselves from cold, such as polar bears,
reindeer, blue foxes, lemmings, musk oxen etc.
What steps should we take to conserve natural
vegetation and wildlife?

TUNDRA VEGETATION
The tundra zone is found in the polar areas of
Europe, Asia and North America. Due to extreme A blue fox A musk oxen A lemming
cold and very short summers, only some lichens,
grasses, mosses and Activity
shrubs grow here. Some
shrubs flower in the short Mark the following natural vegetations in an
summer season. Due to outline map of the world :
extreme dry cold, this 1. Tropical evergreen forests
region is also called the
cold polar desert . Tundra Vegetation 2. Temperate evergreen forests
3. Mediterranean forests
F ind Outind Out 4. Coniferous forests

Why Tundra region has small plants? 5. Tropical grasslands
6. Tundra vegetation
The wildlife in the tundra zone comprises of such

v Plants that grow naturally without any human interference comprise natural vegetation.
v Natural vegetation can be broadly divided into forests, grasslands, deserts and tundra.
v The types of vegetation depend upon altitude, temperature, rainfall, sunlight and soil of the region.

v Forests are large tracks of tree-covered land.
v Forests are of various types—tropical rainforests, tropical deciduous forests, temperate deciduous forests,
temperate evergreen forests, coniferous forests or taiga and mediterranean forests.
v Grasslands are of two types—temperate grasslands and tropical grasslands.
v Wildlife in these regions of natural vegetation is varied, depending upon several factors available there.
v Deserts are categorised as hot and cold. They experience extreme climatic conditions and support only
sparse vegetation.
v Tundra region is the polar region or high mountain, where temperatures and rainfall are very low.

A. Tick (3) the right option :
1. In Russia, the temperate grasslands are called ______________ .

(a) steppes (b) pampas (c) prairies
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