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Objectives and Vocabulary: #content
BIO.8 The student will investigate and understand dynamic equilibria within populations, communities, and ecosystems. Key concepts include
b) nutrient cycling with energy flow through ecosystems;
Vocabulary:
Carbon cycle
Nitrogen cycle
Water cycle
Nutrient pollution
Warm Ups, etc:
Activities, Assignments, Etc.
Diagrams - students draw diagrams of the major nutrient cycles. This lesson is performed during the unit SOL 2 to introduce/reinforce chemical notation and chemical reactions, especially as they relate to photosynthesis, combustion, cellular respiration, and decomposition. It is important to stress the role of organisms at each step of the process.
Quick Check - Google Forms Quiz for self-assessment
Lecture Notes: #content
Diagrams - Cycles of Elements (done with "Chemistry of Life" unit)
A. Water Cycle (done after water chemistry)
Surface Water
Evaporation
Condensation
Precipitation
Runoff
Seepage/Ground water
Plant- absorption/ transpiration
Animal - intake/respiration/perspiration/urination
B. Carbon/Oxygen Cycle (done with Hydrolysis/Dehydration Synthesis)
relate reverse reactions/endothermic & exothermic nature of Photosynthesis vs. Respiration, Combustion and Decomposition, include contributions of all Kingdoms
C. Nitrogen Cycle (done with organic compounds)
Nitrogen Fixation and symbiotic root nodules in legumes- convert atmospheric nitrogen
Nitrification- role of plants/bacteria
Ingestion- requirement of N in diet
Ammonification and Denitrification - the role of decomposers
D. Phosphorus and nutrient pollution
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