Our Environment

Question 4What will happen if we kill all the organisms in one trophic level?

Question 5Will the impact of removing all the organisms in a trophic level be different for different trophic levels? Can the organisms of any...

Question 6What is biological magnification? Will the levels of this magnification be different at different levels of the ecosystem?

Question 7What are the problems caused by the non-biodegradable wastes that we generate?

Question 8If all the waste we generate is biodegradable, will this have no impact on the environment?

Question 9Why is damage to the ozone layer a cause for concern? What steps are being taken to limit this damage?

Question 1What are trophic levels? Give an example of a food chain and state the different trophic levels in it.

Question 2What is the role of decomposers in the ecosystem?

Question 3Give any two ways in which non-biodegradable substances would affect the environment.