Biology B2 - Energy flow

Food chains show the feeding relationships in a habitat. Pyramids of biomass are charts that show the mass of living organisms at each step in a food chain. Energy is lost moving up in a food chain, and this limits the length of the chain.

wordmeaning producers Green plants and algae. They make food by photosynthesis. primary consumers Usually eat plant material - they are herbivores. For example rabbits, caterpillars, cows and sheep. secondary consumers Usually…