The protein could become denature at extreme temperatures. When this happens its functionality could be incredibly reduced
Pollution :) Since Abiotic means non living.
Bacteria: Living
Food (worms or smaller fish): Living
Predators: Living
Pollution (dirt, trash, or other stuff): Non Living
LeveneChargaffWatson and CrickNirenberg and Matthaei
Fight or flight, because according to Hans Selye, this occurs at times of danger when your adrenaline is heightened.
