Advertisements
Advertisements
Question
Differentiate between primary and secondary succession provided one example of each.
Solution
| Primary Succession | Secondary Succession | |
| 1. | It starts in areas where no previous life ever existed. | It starts in areas where previous life forms have been destroyed |
| 2. | Soil is absent in the area at the beginning of primary succession |
Soil is present in the area where secondary succession begins. |
| 3. | It is a very slow process. | It is faster than primary succession |
| 4. | Example: Succession on newly cooled lava | Example: Succession in a burnt forest |
APPEARS IN
RELATED QUESTIONS
Answer the following question.
List the factors upon which the type of invading pioneer species depends on secondary hydrarch succession. Why is the rate of this succession faster than that of primary succession?
Give the term used to express a community in its final stage of succession?
What is the term used to denote the gradual and predictable change in the species composition of a given area?
Identify the stage which comes before sedge meadow stage in hydroseric succession.
Identify the correct sequence of hydroseric succession.
In areas where water is present in abundance ______ succession takes place.
The growth of lichens on the rocks followed by mosses, herbs, shrubs and trees is an example of ______.
Which of the following represents the correct order of succession observed in the aquatic habitat?
Identify the correct sequence of primary succession of aquatic habitat.
Identify the stage that follows xerarch succession.
Transformation of a region from a pool of water to swamp then to marsh and then to mesic condition is an example of ____________.
Ajit's mother has visited a lake & on returning home she was so excited that she jumbled up the sequence of hydrarch succession. How does Ajit arrange the sequence correctly from center to periphery?
In the North East region of India, during the process of jhum cultivation, forests are cleared by burning and left for regrowth after a year of cultivation. How would you explain the regrowth of forest in ecological term?
Among bryophytes, lichens and fern which one is a pioneer species in a xeric succession?
Give any two examples of xerarch succession.
Explain the following term with reference to ecological succession :
Pioneers
Explain the following term with reference to ecological succession.
Hydrosere
Which one is the most accurate definition of gross primary productivity?
