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A functional unit of nature, where living organisms interact among themselves and also with the surrounding physical environment, is called as:
1. A population 2. A species
3. A biological community 4. An ecosystem
Subtopic:  Introduction |
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Consider the two statements:
Statement I:  Entire biosphere is regarded as a global ecosystem by many ecologists.
Statement II: The global ecosystem is divided into terrestrial and aquatic ecosystem for convenience.
   
1. Only Statement I is correct.
2. Only Statement II is correct.
3. Both Statement I and Statement II are correct.
4. Both Statement I and Statement II are incorrect.
Subtopic:  Introduction |
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Vertical distribution of different species occupying different levels in an ecosystem is called:
1. Stratification 2. Scarification
3. Standing crop 4. Standing state
Subtopic:  Introduction |
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