Food chains and Predator- prey cycles

• How does a food chain begin?

  Producer
• cycle of a food chain?

  Producer, primary consumer, secondary consumer, tertiary consumer, decomposer.
• why are producers important?

  they synthesise complex molecules (make molecule glucose by photosynthesis)
• what is molecules such as glucose called?

  biomass
• what are predators?


  consumers that kill and eat other animals
• as the prey increases, eventually the population of predators also increasing leading to the decrease in prey as they are eaten by more predators