hxhdhdhfhfhfhhfhfhfh hxhdhdhfhfhfhhfhfhfh 20-05-2021 Biology contestada 1. Over time, the fish and crab populations have: A. Decreased B. Increased C. Stayed the same D. Fluctuated up and down. 2. Since 2014 the fish and crab populations have: A. Decreased B. Increased D. Stayed the same.