Environmental Science questions and answers in February 2022

 How can an increase in algal population size kill fish? Algae clogs the gills of the fish, preventing them from breathing. Algae clogs the mouths of the fish, preventing them from eating. The algae ...
The graphs below represent algal abundance in a limiting-nutrient experiment. Based on the graphs, which nutrient(s) are limiting the growth of algae in the experiment? Algal growth is limited by nitr...
 As you saw in "DO or Die", adding nutrients to a lake has direct effects (such as stimulating the growth of phytoplankton) and indirect effects throughout the community (such as drastic effects on f...
A company is growing algae in big tanks to make fish food. However, the algae is not growing very quickly, and they suspect either phosphorus, nitrogen, or iron is limiting. What could the company do ...