| 1)
A group of animals or plants, able to naturally breed with each other to
produce their young.
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2) A group of the
same kind of species of plants or animals, in a particular area.
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3) A group of
different populations which interact with each other and live in the
same area.
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4) A community of
plants and animals interacting with each other and with their non-living
environment, without any support from outside.
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5) It is the study
of the homes (ecosystems) of organisms and their roles in their
ecosystems.
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6) It is the natural
home of the animals and plants.
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7) The number and
variety of all plants and animals living on the earth is called….
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8) When the top
fertile layer of soil is washed away by either wind or water, leaving
behind barren land. Barren land is not good for cultivation.
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9) When the air,
land or water around us, become dirty due to chemical, physical or
biological changes. This can harm all living things and spoil the
balance of nature
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10) This occurs when
the level of water underneath the soil rises and the water comes up on
the land surface. After the water has evaporated, a layer of salt is
left behind, which makes the soil barren.
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11) A process in
which soil is washed away due to air or water and collects at the bottom
of dams, lakes or the sea.
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