The variety of flora (plants) and fauna (animals) in a region is known as biodiversity.

Define The Following:

1. Biosphere : Biosphere is the part of the earth where life exists. 

2. Ecological imbalance : In a natural environment, there is a perfect balance between the various organisms living together in the biosphere. This is known as ecological imbalance.

3. Global warming : The temperature of the earth is increasing slowly over the years. For the last few years global temperature has increased. This phenomenon is termed as Global warming.

4. Greenhouse effect : Increasing of green house gases is causing an increase of temperature. This is called ‘Greenhouse effect’.

5. Ozone depiction : In recent years the use of air conditions, refrigerators, sprays and deodorants are destroying the ozone due to the synthetic chemicals released into the atmosphere, primarily chlorofluorocarbons

6. Acid rain : Acid rain contains high amounts of acids particularly sulphuric acid and carbon monoxide.