Page 3 - Assignment-Ecosystem
P. 3
11. In the model of phosphorus cycle given below, what does A, B, C and D refers
to?
12. Differentiate between Hydrarch and a Xerarch succession.
D. Short Answer Questions-I (3 marks each)
13. What are the limitations of ecological pyramids?
14. Name any four ecosystem services. Who gave the price tags on nature’s life
support services? Which is the most important ecosystem service provider?
15. Study the table given below and fill the blanks from ‘A’ to ‘F’.
E. Long Answer Questions (5 marks each)
16. Detrivores like earthworm are involved in the process of decomposition of dead
plants and animals. Describe the different steps involved in the process of
decomposition.
1.
