TEKS: Chapter 112. Science See All Teacher Resources

112.32.c.5

(5)  Science concepts. The student conducts long-term studies on local aquatic environments. Local natural environments are to be preferred over artificial or virtual environments. The student is expected to:

• (A)  evaluate data over a period of time from an established aquatic environment documenting seasonal changes and the behavior of organisms;

• (B)  collect baseline quantitative data, including pH, salinity, temperature, mineral content, nitrogen compounds, and turbidity from an aquatic environment;

• (C)  analyze interrelationships among producers, consumers, and decomposers in a local aquatic ecosystem; and

• (D)  identify the interdependence of organisms in an aquatic environment such as in a pond, river, lake, ocean, or aquifer and the biosphere.