Texas Essential Knowledge and Skills

Grades 10-12 (Aquatic Science)

Subchapter 112.46

Reference Science Concepts The Digital Field Trip to The Wetlands The Digital Field Trip to The Rainforest The Digital Field Trip to The Desert
The student knows:
4. The components of acquatic ecosystems
(A) Differentiate among freshwater, brackish, and saltwater ecosystems Wetlands Types, Types Quiz    
(B) Research and identify biological, chemical and physical components of an aquatic ecosystem Nutrient Cycles, Bog Acidity    
5. The relationships within and among the aquatic habitats and ecosystems in an aquatic environment.
(B) Observe and evaluate patterns and interrelationships among producers, consumers, and decomposers Organisms, , Producers, Consumers, Decomposers, Web Game, Food Chains Dependency Web Game Build-a-Desert Game
(C) Identify the interdependence of organisms in an aquatic environment Organisms, Producers,    
(D) Evaluate trends in data to determine the factors that affect aquatic ecosystems     Compare Homeostasis discusses some aquatic factors
6. The role of cycles in an aquatic environment.
(A) Identify the role of various cycles such as carbon, nitrogen, water and nutrients Nutrient cycles: carbon, water, phosphorus, nitrogen, Photosynthesis    
(B) Interpret the role of aquatic systems in climate and weather     Relate to Climate Influences
7. Environmental adaptations of aquatic organisms.
(A) Classify different aquatic organisms Organisms    
(B) Compare and describe how adaptations allow organisms to exist in an aquatic environment Plant and Animal Adaptations   Compare Homeostasis
(C) Predict adaptations of an organism prompted by environmental changes Plant Adaptations Plant characteristics, Build-a-tree What is an Adaptation?
(D) Compare adaptations of freshwater and marine organisms Use Organisms for freshwater examples    
8. That aquatic environments change.
(B) Analyze the cumulative impact of natural and human influence on an aquatic system Conservation, Pollution, Formation and Succession