Suggest one word for each of the following statements/ definitions
(a) The physical and biological world where we live in
Ans. Environment/biosphere
(b) Each level of food chain where transfer of energy takes place
Ans. Trophic level
(c) The physical factors like temperature, rainfall, wind and soil of an ecosystem
Ans. Abiotic factors
(d) Organisms which depend on the producers either directly or indirectly for food
Ans. Heterotrophs (consumers)