Which of the following statements about human impacts on Earth is true?

+1 vote

 

Species introduced by humans are not a serious threat to biodiversity, and in fact they increase levels of biodiversity.

Until the twentieth century, most species extinctions occurred on continents and were caused by overhunting and introduced species.

Newly threatened species are at risk from deforestation and other forms of habitat destruction.

Most newly threatened species live on islands.

 

asked Jan 3, 2013 in Biology by anonymous
    

1 Answer

0 votes

 

Newly threatened species are at risk from deforestation and other forms of habitat destruction.

 

answered Jan 3, 2013 by anonymous

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