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Keystone species deserve protection beca...

Keystone species deserve protection because these

A

have become rare due to over exploitation

B

indicate presence of certain minerals in the soil

C

play an important role in supporting other species

D

are capable of surviving in harsh environmental conditions

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The correct Answer is:
C
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Keystone species are

Keystone species should be protected as they

Assertion: Removal of key stone species from any ecosystem leads to destruction of entrie ecosystem. Reason: Keystone species drive major ecosystem functions.

Keystone species in an ecosystem are those :

Keystone species in an ecosystem are those:

Assertion Removal of keystone species does not cause any serious disruption in the functioning of the community. Reason Keystone species are low in abundance than the dominant species.

Assertion. Removel of keystone species causes serious distruption in the functioning of the community. Reason. Keystone species are low in abundance (or biomass) than the dominant species.

GRB PUBLICATION-ECOSYSTEM -EXEMPLAR PROBLEMS
  1. Keystone species deserve protection because these

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  2. Decomposers like fungi and bacteria are: i. autotrophs ii. heter...

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  3. The process of mineralisation by microorganisms helps in the relase of

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  4. Productivity is the rate of production of biomass expressed in terms o...

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  5. An inverted pyramid of biomass can be found in which ecosystem?

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  6. Which of the following is not a producer?

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  7. Which of the following ecosystems is most productive in terms of net p...

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  8. Pyramid of numbers is

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  9. Approximately how much of the solar energy that falls on the leaves of...

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  10. Among the following where do you think the process of decomposition wo...

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  11. How much of the net primary productivity of a terrestrial ecosystem is...

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  12. During the process of ecological succession, the changes that take pla...

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  13. Climax community is in a state of

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  14. Among the following biogeochemical cycles, which one does not have los...

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  15. The sequence of communities of primary succession in water is

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  16. The reservoir for the gaseous type of bio-geo chemical cycle exists in...

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  17. If the carbon atoms fixed by producers already have passed through thr...

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  18. Which of the following type of ecosystem is expected in an area where ...

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  19. The zone at the edge of a lake or ocean which is alternatively exposed...

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  20. Edaphic factor refers to

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  21. Which of the following is an ecosystem service provided by a natural e...

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