ENVIRONMENTAL STUDIES(ES)

ENVIRONMENTAL STUDIES

Lesson 12: Food chains, food webs and ecological pyramids

References

1. Surinder Deswal and Anupama Deswal, 2002, Energy Ecology, Environment and Society, Dhanpat
   Rai and Company, New Delhi, pp- 8.5
   
   
2. Erac Bharucha , 2005, Textbook of Environmental studies, University Press Private Ltd, Hyderabad, pp- 59.