Earth’s
Biomes
Biomes are
regions of the world with similar climate, animals and plants such as desert,
tropical rain forest, freshwater biomes, etc.
Knowledge of basic characteristics of
the world’s major biomes and features of life within each is important for
planning, dealing with environmental issues, and determining beneficial introduction
of new species.
The rule of climatic similarity
Why is one area
of the Earth’s land surface a desert, grassland, and another a forest? Why do
different types of these exist? The
general answer to these questions is differences in climate, caused mostly by
differences in average temperature and precipitation caused by global air
circulation. Different climates promote different community of organisms.
Similar environments lead to the evolution
of organisms similar in form and function and to similar ecosystems. This is known as the rule of climatic
similarity and leads to the concept of the biomes.
There is a
strong relationship between climate and life. The rule of climatic similarity is important in environmental science
because by knowing the climate, we can predict a great deal about what kinds of
life we will find in an area and what kinds could survive there if introduced.
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