instead of binomial names. General names such as or “tree” should “fish” not be used. 5.1.5 Describe what 2 is meant by a food web. 5.1.6 Define trophic 1 level. 5.1.7 Deduce the 3 Students should trophic level of be able to place organisms in a an organism at food chain and the level of a food web. producer, primary consumer, secondary consumer, and so on, as the terms herbivore and carnivore are not always applicable. Construct a 3 5.1.8 food web containing up to 10 organisms, appropriate information. 5.1.9 State that light 1 No reference to is the initial communities energy source where food for almost all chains start with communities. chemical energy is required. 5.1.10 Explain the 3 Energy losses energy flow in between trophic a food chain. levels include material not consumed or material not assimilated, and heat loss through cell respiration. 5.1.11 State that 1 Reference to the energy second law of transformations thermodynamics are never 100% is not expected. efficient. 5.1.12 Explain 3 A pyramid of reasons for the energy shows
instead of binomial names. General names such as “tree” or “fish” should not be used. 5.1.5 Describe what is meant by a food web. 2 5.1.6 Define trophic level. 1 5.1.7 Deduce the trophic level of organisms in a food chain and a food web. 3 Students should be able to place an organism at the level of producer, primary consumer, secondary consumer, and so on, as the terms herbivore and carnivore are not always applicable. 5.1.8 Construct a food web containing up to 10 organisms, appropriate information. 3 5.1.9 State that light is the initial energy source for almost all communities. 1 No reference to communities where food chains start with chemical energy is required. 5.1.10 Explain the energy flow in a food chain. 3 Energy losses between trophic levels include material not consumed or material not assimilated, and heat loss through cell respiration. 5.1.11 State that energy transformations are never 100% efficient. 1 Reference to the second law of thermodynamics is not expected. 5.1.12 Explain reasons for the 3 A pyramid of energy shows
sl2015bio2syl.docx