Multiple Choice
The decline of the sea otter population in the Pacific Northwest has been attributed to:
A) Pollution from an oil spill
B) Predation by killer whales
C) An increase in the water temperature
D) Predation by Steller sea lions
E) A genetic mutation causing a decrease of fertility in male otters
Correct Answer:

Verified
Correct Answer:
Verified
Q11: The total amount of energy trapped by
Q12: An organism's _ is its position in
Q13: Organisms that obtain their energy from producers
Q15: How was the virus detected?<br>A)By the presence
Q17: Walleye pike tend to live in deep
Q19: A type of symbiosis in which one
Q20: The tidal zones in which the barnacles
Q21: The physical place where members of a
Q33: Resource partitioning allows only a single species
Q68: The species that appear in a climax