Answer the following questions.
(i) What is an ecosystem?
(ii) What do you mean by natural environment?
(iii) Which are the major components of environment?
(iv) Give four examples of human-made environment.
(v) What is lithosphere?
(vi) Which are the two major components of biotic environment?
(vii) What is biosphere?
and human beings depend on their immediate surroundings. They are
often interdependent on each other as well. These relations of
dependence and interdependence together constitute an
In other words, an ecosystem is the system
formedas a result of the interactions of all living
organisms with each other, and with the physical and chemical
factors of the environment in which they live.
that consists of all objects created by nature is called natural
environment. The natural environment comprises land, water, air,
plants and animals.
components of environment are natural environment (consists of
all objects created by nature), human environment (consists of
human beings) and human-made environment (consists of objects
created by human beings).
buildings, roads and industries are some examples of human-made
the domain of land) is the solid crust or the hard top layer of
the Earth. It is made up of rocks and minerals, and is covered by
a thin layer of soil. It is an irregular surface with various
landforms such as mountains, plateaus, plains and valleys.
(vi)The two major
components of biotic environment are plants and animals.
the narrow zone of the Earth where land, water and air interact
with each other to support life.
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