Author Question: Controlling the Spotted Knapweed reveals A) the complex set of relationships in ecosystems can ... (Read 32 times)

jerry coleman · **on:** Jul 16, 2018

Controlling the Spotted Knapweed reveals

A) the complex set of relationships in ecosystems can produce unanticipated consequences.
B) a simple solution to the problem that will work for many introduced species.
C) the need for widespread biological control to fight invasive species.
D) the importance of spraying herbicides to fight invasive species.

Question 2

The risk of introducing a natural enemy to control an invasive species is that

A) it might drive the invasive species to extinction.
B) the natural enemy might also become an invasive pest.
C) the natural enemy might evolve into a new species.
D) the natural enemy may introduce genetic diversity into the invasive species.