The Graph Below Illustrates the Relationship Between Fishing Effort and the Catch

The graph below illustrates the relationship between fishing effort and the catch of large predatory fish, like tuna, during the past 40 years.
What best explains the pattern illustrated in this graph?

A) Fish are adaptive and eventually learn to avoid hooks.
B) Anthropogenic chemical, thermal, and sound pollution has greatly reduced the carrying capacity for large predatory fish.
C) Large predatory fish are at the top of their food webs where biomagnification produces the greatest impact.
D) Highly efficient harvesting technologies remove these fish species at rates much greater than the rates of natural replacement.

Correct Answer:

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