Biology - B3 - AQA - GCSE - Food Production

Biology - B3 - AQA - GCSE - Food Production

1. Sustainable Food Production

   • Ways of producing food in ways that can continue for many years

2. Intensive farming

   • Cons
     • Unethical
     • Destroys communities
     • Worse quality food
     • Diseases can spread
     • Pollution
     • Can be expensive to control and maintain constant temperatures
   • Pros
     • Less energy lost to movement
       • The most biomass from the least food
     • Maximises production
       • Packs as many animals into as small a place as possible.
     • Ready in a matter of weeks
     • Cheap

3. Free-range Farming

   • Cons
     • Expensive
     • Takes a long time
     • Less produce (biomass)
     • Animal use more energy
     • Weather can be a problem
   • Pros
     • Supports small businesses/communities
     • Ethically correct
     • Less pollution
     • No need for temperature control
     • Better quality food
     • Less risk of disease

4. Mycoprotein

   • Fungi
     • Fusarium
   • Used to make meat substitutes
   • Grown in fermenters
     • Glucose syrup used as food
     • Aerobic respiration - oxygen supplied (with ammonia (for nitrogen) and other minerals)
   • Continuous production
     • No stop-start process
     • Harder to steralise
     • If a foreign microorganism enters the fermenter, the whole production line is affected.
   • Batch production
     • Stop-start process
     • Easy to steralise
     • If a foreign microorganism enters the fermenter,only the last batch is affected.