Multiple Choice
The concentration of PCBs in a fish's food is 1 ppb and the concentration in its fatty tissue is 100 ppb. This is an example of
A) Trophic transfer
B) Biomagnification
C) Bioconcentration
D) Increased gene expression
Correct Answer:
Verified
Correct Answer:
Verified
Q1: Gene expression at the genomic level can
Q2: Tertiary sewage treatment would involve<br>A) The removal
Q3: Eutrophication often results in<br>A) Hypoxia<br>B) Reduced primary
Q5: Oil is especially toxic when<br>A) It has
Q6: Secondary treatment<br>A) Fails to remove dissolved nutrients<br>B)
Q7: PCBs and PAHs<br>A) Disrupt the endocrine cycles
Q8: Which of the following is the most
Q9: DDT<br>A) Has proven to have no effect
Q10: Which of the following is known to
Q11: PCBs originate from<br>A) Acid rain<br>B) Degradation of