Characteristics of a food chain:
(i) Unidirectional
(ii) Helps in understanding the food relationship and interaction among various organisms in an ecosystem
(iii) Helps to understand movement of toxic substances and the problem of their biological magnification
Moral values possessed by Dharmesh:
(i) Sensitive towards environment
(ii) Possesses knowledge about biological magnification
(iii) Scientific temperament
(iv) Conscious (Any three)
