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Question

post-21284

May I know what’s the answer for this question. Please provide explaination.

Thanks a lot

Answer

I will go for option A. The key here is which process will reduce bio diversity, which basically looks at how many species of animals and plants can be supported in the ecosystems.

For option A, the large amounts of food fed will result in reduced oxygen support (due to respiration /decomposition activity). With less oxygen, the sea can support lesser other organism, which will reduce biodiversity in the surrounding waters.

 

Cheers Chee Yong

1 Reply 1 Like ✔Accepted Answer

Hi Chee Yong,

Thanks for the answer and explaination. This is a question from past O levels. DD has 2 Ten Year Series – one gave answer as A and the other gave B. DD’s teacher has confirmed that the correct answer from SEAB is A. Your explaination is very clear and helpful. Many thanks.

Cheers

Mr Bean

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