Exam Q on food chains 10m

Explain how energy is transferred through food chains and food webs in an ecosystem. You should refer to the efficiency of this transfer in your answer. You will gain credit if you make use of the information in the diagramPRODUCER:1. Energy gained from sunlight2. Plant traps sunlight3. Photosynthesis4. Not all light is trapped 5. Used for cell metabolism6. This is not availalble to PC7. Some stored as chemical energy8. This is available to PCPRIMARY CONSUMER:1.Herbivore2. Not all plant is edible3. Not all plant is digestable SECONDARY CONSUMER:1. Carnivore2. Not all of PC is ediable 3. Not all of PC is digestable 4. Energy lost to digestion5. Energy lost to movment 6. Transfer lost to Decomposers GENERAL:1. Net productivity = gross - resp 2. Amount of energy limits food chain3. Compartive Figures4. Energy lost as heat during repsiration 

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