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MediumNEET TEST
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Select the correct statements regarding an ecosystem. A. Identification and enumeration of plant species of an ecosystem gives its stratification. B. Vertical distribution of different species occupying different levels is called species composition. C. Productivity, decomposition, energy flow, and nutrient cycling are the four important functional components of an ecosystem. D. In a pond ecosystem, decomposers like fungi, bacteria and flagellates are especially abundant at the top. E. There is a unidirectional movement of energy towards the higher trophic levels and its dissipation as heat. Choose the correct option:
A
A and B only
B
C and E only
C
B, D and E only
D
A, C and D only
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