Food Security Flashcards
1
Q
What is food security?
A
the ability of the human population to access affordable food of sufficient quality and quantity
2
Q
What are the factors that threaten food security?
A
- Increase in human population
- Changing diets
- Climate change
- Evolution of new pests and pathogens
3
Q
What can make food possibly unaffordable for some?
A
agricultural costs and high oil prices which increase the costs of storing and distributing food
4
Q
What are some ways in which food production can be increased?
A
- Maximising photosynthesis in industrial glasshouses
- Using fertilisers
- Removing competition and pests
- Plant varieties of crops which are pest resistant or produce a higher yield
5
Q
What is intensive farming?
A
farming technique which aims to produce the maximum food prodcut yield from the minimimum area of land
6
Q
What are some intensive farming techniques?
A
- Using fertilisers and pesticides to aid plant growth
- Maximising animal growth rates
- Minimising labour inputs by using machinery
7
Q
What is organic farming?
A
farming technique which uses natural methods of producing crops and rearing animals and avoids the use of artificial chemicals
