Fisherman in a certain region have noticed a significant decrease in the biodiversity of fish species present in a local body of water. This has caused a decrease in the variety of fish available for consumers in the region. Which of the following changes has most likely caused this change in biodiversity?
A. the introduction of an invasive species
B. a prolonged period of increased rainfall
C. an increase in fish reproduction rates
D. a decrease in water pollution
Answers: 2
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