Question

Which effect from a catastrophic typhoon would most greatly impact the biodiversity of a coral reef ecosystem?
Decreasing human tourism
Destruction of coral
Reduction of fish
Invasive species

Answer 1

I think it is B. Because when coral reefs are destoryed, hundreds of years of growth and time are wasted away in a matter of hours or as fast as minuets. 
I hope this helps. 

Answer 2

B. would be the answer

A, C,D don't fit the question in my opinion..

Hope it helps