There are more than 8 million species that are discovered till date and they are classified into various kingdoms based on their features and characteristics. Today, humans have taken over their habitat and most organisms face the risk of extinction. Furthermore, incessant use of natural resources has left the environment destabilized.
Global temperatures have risen drastically and polar ice caps have started to melt. This magnifies the greenhouse effect and as a result, almost all life on earth gets affected in various ways. Explore more about Chapter 15 – Biodiversity and Conservation by referring to Class 12 Biology Revision Notes, right here on BYJU’s.
|Evolution – Classification And Evolution|
|The Living World|
Frequently asked Questions on CBSE Class 12 Biology Notes Chapter 15: Biodiversity and Conservation
What is ‘Global Warming’?
Global warming is the unusually rapid increase in Earth’s average surface temperature over the past century primarily due to the greenhouse gases released as people burn fossil fuels.
What is the meaning of ‘Extinction’?
Extinction refers to the dying out or extermination of a species.
What is ‘Evolution’?
Evolution is the change in the characteristics of a species over several generations and relies on the process of natural selection.