Rational and empirical, its true, and we know it because there are people who did it, we can proove that its correct :)
The answer so c hope this helps
Answer:
It will leads to competition for food
Explanation:
- Due to a decrease in the supply of food and other resources for fish population their population will start to decline, some will migrates in the search for food while there may compete for the remaining resources. Impacting their population density and his may lead to the death of fishes, some of which may be eaten by other bigger fish.