Which one of the following statements best reflects the overall ...

[fagboi]

Which one of the following statements best reflects the overall position of current science on the role of biodiversity in ecosystems?
 
  A) The more species in an ecosystem, the greater the biomass production.
  B) The more species in an ecosystem, the greater its drought resistance.
  C) The effects of biodiversity loss on ecosystem function depend on how many and which species are lost.
  D) Every species in an ecosystem is equally essential to maintain the overall ecosystem.

Question 2

That we may have to look for several causes contributing simultaneously to a case of biodiversity loss is evident in the study of
 
  A) colony collapse disorder in honey bees.
  B) eutrophication of marine ecosystems.
  C) the decline of commercial fish species by overfishing.
  D) invasive species introduced through the pet trade.

[xiaomengxian]

Answer to Question 1

C

Answer to Question 2

A

[fagboi]

Correct answers!

[xiaomengxian]

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