What is the name for the process in which the organisms best adapted to their environment survive? ! a. upwelling b. predationc. keystoningd. natural selection

D. natural selection

Explanation:

Natural selection can be define as the phenomena of differential survival and reproduction. In this the organisms having better phenotypic trait is likely to survive in adverse environmental conditions. Such organisms are expected to adapt in adverse conditions and hence they will survive.

poor water quality affects most estuarine organisms, including commercially important fish and shellfish. the pollutants that have the greatest impact on the health of estuaries include toxic substances like chemicals and heavy metals, nutrient pollution (or eutrophication), and pathogens such as bacteria or viruses.

d we did this already