A.Energy
B.Oxygen
C.Living organism
D.Bacteria
Related Mcqs:
- An ecosystem must have continuous external source of __________?
- Ecological system or ecosystem refers to
- The source of energy in an ecosystem is __________?
- Term metabolism means the total sum of:
- What is contributed from the outer space in an ecosystem?
- The main energy source for the environment is ___________?
- The amount of energy expended by the action of external force in deforming an elastic body is known as
- The abiotic and biotic components constitute the structure of an __________?
- The pyramid of energy in any ecosystem is __________?
- The source of energy in an ecosystem is:
