Energy flow in Ecosystems

1. Give the equation for respiration (both the words AND symbols) - http://purchon.com/biology/aerobic.htm
2. Explain the difference between a pyramid of numbers and one of biomass - http://www.bbc.co.uk/schools/gcsebitesize/science/edexcel_pre_2011/environment/populationsandpyramidsrev2.shtml
3. Give two ways that energy can be lost from a food chain - http://www.bbc.co.uk/schools/gcsebitesize/science/edexcel_pre_2011/environment/populationsandpyramidsrev3.shtml
4. In general, why do cold-blooded animals require less energy than warm-blooded ones? - http://coolcosmos.ipac.caltech.edu/image_galleries/ir_zoo/coldwarm.html
5. At which steps in a food chain is energy lost?
6. Complete this activity, making sure you write down what percentage of energy makes it to the next stage at each step - http://www.teachersdomain.org/asset/tdc02_int_energyflow/
7. Try any of the links here - http://reviewgamezone.com/game.php?id=3030