Confluency is defined as A. The amount of space in the flask we are using B. The amount of cells C. The amount of space that is occupied by cells. D. The amount of media we use.

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.

1. a tropical dry forest carries out more rapid nutrient cycling

organ system-an organ system is a group of organs that work together to perform one or more functions. each does a particular job in the body, and is made up of certain tissues.