Eating something that contains pollutants has a negative impact on an organism 's survival.
Lakes have been found to be polluted with mercury, rendering fishes unsafe to eat.
Eating mercury has a negative impact on an organism's survival.
what has a negative impact on an organism's survival?
* eating food
* eating fish
* eating water
* liver cancer
* Greenhouse gasses
* fossil fuels
* eating mercury
* harmful substances