take-home - • Read the Feature Investigation pp 1255-1256...

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192 Take-Home Assignment for Lecture #22 Name: _______________ DG Leader: ___________ Phosphorus Cycle: (figure 59.16) The main reserve of phosphorus exists in: How is phosphorus cycled back into the soil? How do plants acquire their phosphorus? How do herbivores and carnivores obtain their phosphorus? Explain the relationship between primary production and total phosphorus concentration. Is an increase in primary production always beneficial. Explain. Carbon Cycle: (figure 59.18) The main reserve of carbon exists in: How is carbon cycled between the atmosphere and organisms? Be sure to discuss the processes involved in cycling carbon (e.g., photosynthesis & respiration).
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193 What are fossil fuels?
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Unformatted text preview: • Read the Feature Investigation pp 1255-1256. Explain the findings in your own words. Nitrogen Cycle: Nitrogen is not readily available for use by most organisms. Explain the processes involved in transforming it into a usable form: • nitrogen fixation • nitrification • assimilation How do humans acquire nitrogen? Explain the effects of deforestation on nutrient concentration. (SEE: pp. 1258; figure 59.21) Be sure to explain WHY the cycle is affected and impact. Water cycle: (figure 59.24) 194 What are the two main phenomena responsible for the movement of water within the global ecosystem? Explain the effects of deforestation on water cycle (figure 59.25). Be sure to explain WHY the cycle is affected and impact....
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take-home - • Read the Feature Investigation pp 1255-1256...

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