Q. In a comparative study of grassland ecosystem and pond ecosystem, it may be observed that
A) The biotic components are almost similar
B) The abiotic components are almost similar
C) Primary and secondary consumers are similar
D) Both biotic and abiotic components are different
Explanation
According to Odum (1983), ecosystem has six components, in which abiotic components almost similar in every ecosystem. (i) Abiotic components (a) Inorganic substances C, N, S, K, $CO_{2},\ H_{2}O,$ temperature, humidity, soil light, pressure, etc. (b) Organic substances Proteins, carbohydrates, lipids, etc. (ii) Biotic components Producers, macroconsumers, microconsumers.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.