Poikane, S., Johnson, R.K., Sandin, L., Schartau, A.K., Solimini, A.G., Urbanič, G., Arbačiauskas, K., Aroviita, J., Gabriels, W., Miler, O., Pusch, T.M., Timm, H., Böhmer, J., 2016. Benthic macroinvertebrates in lake ecological assessment: a review of methods, intercalibration and practical recommendations. Sci. Total Environ. 543, 123–134. https://doi.org/10.1016/j.scitotenv.2015.11.021.

Does the presence of a wide variety of invertebrate life in streams tend to indicate good or poor water quality?

Benthic ecosystems are important, but threatened largely by fishing. What might help solve this issue and help these slow growing ecosystems to recover?

Select all of the following that describe lakes and ponds.Multiple select question.Light penetrates lake and pond regions to differing degrees.Decomposers inhabit only the shallow, nutrient-rich water near the shore.Phytoplankton are dominant producers in the photic zone.Rooted plants thrive below the photic zone.

_____ LAKES HAVE LOW NUTRIENT CONCENTRATIONS.Question 3Answera.Oligotrophicb.Endemicc.Eutrophicd.Dystrophic

Select organisms that are common in lakes and ponds.Multiple select question.CoralsSea urchinsInvertebratesPhytoplanktonZooplankton