What is meant by the term "biological invader"?
How do these invaders travel from their native areas into new ones? Why are Hawaiʻian officials concerned about the brown tree snake?
What evidence do they have to justify their concern? How can we fight biological invaders? Discuss the following statement made at the end of the segment:
"My suspicion is that of all the things we have done to the
planet so far ... that [which] will be the most visible in the
fossil record in a million years is going to be these biological
invaders."
