Unit A - Energy and Matter Cycling in the Biosphere
Students will:
Key Concepts:
- explain the constant flow of energy through the biosphere and ecosystems
- explain the cycling of matter through the biosphere
- explain the balance of energy and matter exchange in the biosphere, as an open system, and explain how this maintains equilibrium
Key Concepts:
- Biosphere
- Equilibrium
- Trophic levels
- Food chains, food webs, and ecological pyramids
- Carbon, nitrogen, oxygen, and phosphorous cycles
- Properties of water
Unit B - Populations and Ecosystem Change
Students will:
- explain that the biosphere is composed of ecosystems, each with distinctive biotic and abiotic characteristics
- explain the mechanisms involved in the change of populations over time
Key Concepts:
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Unit C - Photosynthesis and Cellular Respiration
Students will:
Key Concepts:
- relate photosynthesis to storage of energy in organic compounds
- explain the role of cellular reparation in releasing potential energy from organic compounds
Key Concepts:
- Absorption of light by pigments
- Light-dependent and independent interactions
- Glycolysis
- Krebs cycle
- Electron transport systems
- Aerobic and anaerobic respiration
Unit D - Human Systems
Students will:
- explain how the human digestive and respiratory systems exchange energy and matter with the environment
- explain the role of the circulator and defence systems in maintaining an internal equilibrium
- explain the role of the excretory system in maintaining an internal equilibrium in humans through the exchange of energy and matter with the environment
- explain the role of the motor system in the function of other body systems
Key Concepts:
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