A group of 7th grade science students have been asked to create a dichotomous key that can be used to identify the plants shown in the diagram below. Which of the following specifications should be used when making this dichotomous key?

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.

hey, what do you need . just post the question and i may be able to you : )