Q10 of 67 Page 104

The biodiversity increases when one moves from the pioneer to the climax stage. What could be the explanation?

• When one moves from pioneer species to the climax community, biodiversity increases.


• During ecological succession a stage is reached at which all the biotic species are in a state of fine balance among themselves and with the abiotic condition.


• These stable and suitable conditions help in niches specialisation therefore, it can be said that climax communities are more diverse.


More from this chapter

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8

What will happen to an ecosystem if:

a. All producers are removed;


b. All organisms of herbivore level are eliminated; and


c. All top carnivore population is removed


 9

Give two examples of artificial or man made ecosystems. List the salient features by which they differ from natural ecosystems.

 11

What is a biogeochemical cycle. What is the role of the reservoir in a biogeochemical cycle. Give an example of a sedimentary cycle with reservoir located in earth’s crust.

 12

What will be the P/R ratio of a climax community and a pioneer community. What explanation could you offer for the changes seen in P/R ratio of a pioneer community and the climax community.