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Earth is an...

Earth is an

A

Open system

B

Closed system

C

Both (1) and (2)

D

None of these

Text Solution

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The correct Answer is:
C
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CENGAGE BIOLOGY-ECOSYSTEM-ARCHIVES (CHOOSE THE CORRECT OPTION)
  1. Earth is an

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  2. Which one of the following ecosystem types has the highest annual net ...

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  3. Quercus species is the dominant component in

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  4. Study the following statements regarding food chains and select the co...

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  5. The slow rate of decomposition of fallen logs in nature is due to thei...

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  6. About 70% of total global carbon is found in:-

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  7. Which one of the following types of organisms occupy more than one tro...

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  8. The correct sequence of plants in a hydrosere is

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  9. Study the four statement (i-iv) given below and select the two correct...

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  10. The biomass available for consumption by the herbivores and the decomp...

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  11. Which one of the following is one of the characteristics of a biologic...

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  12. Which of the following representations shows the pyramid of numbers i...

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  13. Which one of the following statements for pyramid of energy is incorre...

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  14. Mass of living matter at a trophic level in an area at any time is cal...

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  15. Identify the possible link ''A'' in the following food chain : Plant r...

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  16. In an area where DDT had been used extensively, the population of bird...

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  17. The upright pyramid of number is absent in:

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  18. In the pyramid of numbers find out the correct possibilities

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  19. Which is not a functional unit of an ecosystem ?

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  20. Which one of the following is not a gaseous biogeochemical cycle in ec...

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  21. Pheretima and its close relatives derive nourishment from

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