Which of the following organisms would usually compete with mice for seeds to eat in an ecosystem? A. producers
B. primary consumers
C. tertiary consumers
D. secondary consumers

Please answer

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.

b c a d mark me