Question

Physical and biological environment.

Answer 1

Physical Environment	Biological Environment
1. Physical environment consists of non-living or abiotic components.	Biological environment consists of living or biotic components.
2. Land, air and water form the physical environment.	Human beings, animals, plants, trees and other living creatures form the biological environment.
3. The Sun is the primary source of energy in the physical environment.	The Sun as well as the physical environment are the sources of energy in the biological environment.