A pollutant can be defined as the substance that causes pollution in the environment. The water, air and other components of the environment are affected by these pollutants. Some of the common pollutants are smoke, dust particles, chemical waste, and CFCs.
They adapt and survive because of Natural Selection
Explanation:
The sea animals die off if they cannot survive under certain conditions so they adapted to having eyes that can see, and other necessary survival tools for the bottom of the deep sea.