Food Chains

• How are food chains written?

  producer $\rightarrow$primary consumer $\rightarrow$secondary consumer$\rightarrow$ tertiary consumer
• What do producers do?

  • synthesise complex molecules
  • source of biomass$\rightarrow$glucose, passes down food chain to other organisms also uses photosynthesis using energy from sunlight
• predator, prey relationship


  Number of prey and predators rise and fall in cycles, this is only true in a stable community

  
• How can predator, prey cycle be affected?

  the predator, prey cycle can be affected by both biotic and abiotic factors such as a drought or a new predator arrival