Question

Distinguish between the following.

Biotic and abiotic factors of an ecosystem

Answer 1

Sr No.	Feature	Biotic Factors	Abiotic Factors
1.	Definition	The living biological components of an ecosystem.	The non-living physical and chemical components of an ecosystem.
2.	Examples	Plants, animals, fungi, and microorganisms (producers, consumers, decomposers).	Sunlight, temperature, water, soil, air, and minerals.
3.	Role in Ecosystem	Determine the food web structure, population dynamics, and biological interactions.	Determine the fundamental survival conditions and dictate which species can inhabit the environment.
4.	Dependence	Highly dependent on abiotic factors for survival and growth.	Generally independent, though they can be gradually modified by biotic activity (e.g., plants altering soil composition).
5.	Origin	Originate from the biosphere.	Originate from the lithosphere, hydrosphere, and atmosphere.