Which of these conditions would most likely cause a decrease in the population of any species? A. increased competition for resources B. improved access to mates C. elimination of predators D. decrease in pathogens

A. competition for resources most likely will cause one competing species to decrease in population as they will not have access to said resources to survive.

In some developing nations the percentage of the animal protein from fish in the diet can be as high as 25 percent.  about 85% of fish caught is used for human consumption.  the remainder is converted into fishmeal and fish oil.