Biology B6 (7)

  • Created by: aleena147
  • Created on: 04-02-20 18:33

food security

factors that affect food security

changing diets in wealthir populations 

as people become more wealthier diets are liekly to change to include a wider variety of foods this increased demand for meat can be bad news for food security. theres less enrgy n les biomass very time you move up a stage in the food chain, so for a given area of land you can rpoduce a lot more food for humans by growing crops instead of grazing animals 

new pests and pathogens 

pests and pathogens can result…


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