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  • Question 1
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    The Great Barrier Reef along east coast of Australia is 

  • Question 2
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    The source of energy in an ecosystem is

  • Question 3
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    Which one of the following is the correct definition of an ecosystem?

  • Question 4
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    Which among the following is an abiotic component in an ecosystem. 

  • Question 5
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    Which one of the following animals is an omnivore?

  • Question 6
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    Organisms of the same trophic level are_________.

  • Question 7
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    First trophic level is represented by:

  • Question 8
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    Out of these, which group has biodegradable wastes?

  • Question 9
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    An ecosystem is the biotic community which along with the physical environment forms an interacting system. It can be _________________.

  • Question 10
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    The importance of an ecosystem lies in

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