Author Question: Why can introduced species be problematic? A) They sometimes outcompete native species and reduce ... (Read 277 times)

Tirant22 · **on:** Aug 22, 2018

Why can introduced species be problematic?
A) They sometimes outcompete native species and reduce biological diversity.
B) They consistently find it difficult to survive.
C) They can reduce demand for native seafood.
D) They often produce toxins dangerous to humans.

Question 2

The effect of ____ has led to the decline of calcium-forming phytoplankton as well as coral reef polyps.
A) pollution
B) a warming ocean
C) increased sedimentation rates
D) ocean acidification