Question

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

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

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

4. Give any two ways in which non-biodegradable substances would effect the environment.

5. What is ozone and how does it affect any ecosystem ?

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

7. Explain 4hours.​

Answer 1

Answer:

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

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

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

4. Give any two ways in which non-biodegradable substances would effect the environment.

5. What is ozone and how does it affect any ecosystem ?

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

7. Explain 4hours.....

Answer 2

1. Answer:
2. Plants are the producers, and represents the first trophic level. Grasshoppers are the primary consumers, and represent the second trophic level. Frogs are the secondary consumers, and represent the third trophic level. Snakes are the tertiary consumers and represent the fourth trophic level.