B2 0.0 / 5 ? BiologyB2: 3 and 4IGCSEAQA Created by: RoshniraiiCreated on: 09-04-14 19:45 B2/10.What is a food chain? A food chain shows what organisms eat. It shows the flow of food and energy from one organism to the next 1 of 6 B2/11.What are detritivores? Are animals that swallow anything in their way and absorb the nutrients.They deposit it afterwards. 2 of 6 B2/12.How can energy be lost in the food chain? Movement, Egestion, Respiration, Excretion 3 of 6 B2/13.What happened to the energy level in the food chain? It decreases 4 of 6 B2/14.How can you measure energy efficiency? Energy built into organism / energy available X 100% 5 of 6 B2/15.What is the problem with the pyramids of biomass? You need to dry/dehydrate an organism. This is killing the animal therefore disrupts the eco-system 6 of 6
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