2. TAKS Objective 2 – The student will demonstrate an understanding of living systems and the environment Interdependence occurs among living systems
3. TEKS 8.6 The student knows that interdependence occurs among living systems. The student is expected to describe interactions within ecosystems.
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5. Question True or False: Plants do not carry on respiratory functions
6. Plants require energy for cell functions. Plants use stomata to take in oxygen instead of lungs or gills
7. Question True or False: The majority of oxygen is provided by terrestrial plants.
8. The majority of oxygen is produced by phytoplankton and algae living in the oceans.
9. Prior Knowledge TEKS 7.12A – Familiar with components of an ecosystem TEKS 6.8C – Flow of energy in living systems including food chains and food webs TEKS 7.12D and 7.5 B – Role of ecological succession with regard to environmental change and equilibrium/ Relationship between producers, consumers, and decomposers in an ecosystem should be reviewed. TEKS 7.12C – Understand the relationship between organisms and the environment where they are found.
18. Show the pictures of the Exxon Valdez oil spill. http:// www.evostc.state.ak.us/facts/photos.html ENGAGE
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29. Create an ecocolumn to help students review prior knowledge about ecosystems. EXPLORE
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31. Ecocolumn will be used in tandem with TEKS 8.14C – TAKS 5 ELABORATE
32. TAKS Objective 5 – The student will demonstrate an understanding of Earth and Space Science Natural events and human activity can alter Earth systems
33. TEKS 8.14 The student knows that natural events and human activity can alter Earth systems. The student is expected to :