Page 74 - Science Class 07
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Climate and Adaptation
in Animals
• Climate • Cold Climate
• Hot Climate • Moderate Climate
• Factors Affec ng Climate (Natural) • Man-made Changes in Climate
Our earth is very vast. It also has various types CLIMATE
of land and water features. Besides, the climate Climate is the average weather in a place over
of different regions are different. There are cold many years. While the weather can change in
regions where the surface remains covered just a few hours, climate takes hundreds,
with snow throughout the year. There are thousands, even millions of years to change.
tropical regions where climate is hot and dry. In
Some mes, the climate of a place is described
temperate regions, the temperature remains
with a graph. This graph shows how
neither too hot nor too cold. There are some
temperature usually changes over a year for a
regions where rainfall is very low, whereas
par cular place on the earth.
there are also some regions where heavy
rainfall occurs. We can classify climate as:
This diversity in clima c condi ons has resulted v Cold Climate v Hot Climate
in the diversity in plants and animals. It means v Moderate Climate
different types of plants and animals live in COLD CLIMATE
different climatic condi ons. In other words,
Arc c ocean in the north pole remains covered
we can say that plants and animals living in a
with thick layers of ice. Due to very cold and
par cular climate had adapted to the prevailing
clima c condi ons of that place. Let’s study harsh clima c condi ons no vegeta on is found
here. A few species of animals like polar bear,
about climate, factors that affect climate and
fishes, reindeers, etc. are found here. They
the animals and plants that live in the
par cular climate. have thick skin covered with long and so fur
that helps them to survive even at –40°C
temperature. Polar bear found in the polar
74 Science-7
