Biology B6 (7)
- Created by: aleena147
- Created on: 04-02-20 18:33
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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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