V
O
C
A
B
100
to pollute
What is contaminate?
100
oil
What is petroleum?
100
queasy
What is nauseous?
100
to decay naturally
What is biodegrade?
100
poisonous metallic element
What is mercury?
200
artificial chemical linked to health problems
What is PCB?
200
the body's self-defense mechanism
What is immune system?
200
overgrowth of algae
What is algal bloom?
200
poison made by a living thing
What is toxin?
200
an area's interlocking food chains
What is food web?
300
catching too many fish
What is overfishing?
300
resembling jelly
What is gelatinous?
300
to wear away
What is corrode?
300
searching for new medicines in nature
What is bioprospecting?
M
e
n
u