understand the names given to different trophic levels, including producers, primary, secondary and tertiary consumers and decomposers
understand the names given to different trophic levels, including producers, primary, secondary and tertiary consumers and decomposers
understand the concepts of food chains, food webs, pyramids of number, pyramids of biomass and pyramids of energy transfer
understand the transfer of substances and energy along a food chain
understand why only about 10% of energy is transferred from one trophic level to the next