Which population of a large lake system would be most affected by the dumping of PCBs into the water?
A) algae
B) zooplankton
C) small fish
D) predatory birds
Correct Answer:
Verified
Q35: Which synthetic substance acts as an endocrine
Q36: Which system is responsible for the human
Q37: What is least likely to cause a
Q38: What is metastasis?
A) the process of dying from
Q39: What plays the most important role in
Q41: What is the greatest contributor to reducing
Q42: Which organism spreads malaria?
A) flies
B) worms
C) mosquitoes
D) snails
Q43: Which of the following is a viral
Q44: What causes tuberculosis?
A) mosquitoes
B) viruses
C) houseflies
D) bacteria
Q45: What is a leading cause of death
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