TEKS: Chapter 112. Science See All Teacher Resources

112.32.c.9

(9)  Science concepts. The student knows the types and components of aquatic ecosystems. The student is expected to:

• (A)  differentiate among freshwater, brackish, and saltwater ecosystems;

• (B)  identify the major properties and components of different marine and freshwater life zones; and

• (C)  identify biological, chemical, geological, and physical components of an aquatic life zone as they relate to the organisms in it.