How are salmon and lampreys different? a) Salmon have a jaw.
b) Lampreys have scales.
c) Salmon have a cartilaginous skeleton.
d) Lampreys have a swim bladder.

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.

the form of energy changes and the total energy increases0l