b6.2.1 food security Flashcards
1
Q
what is food security
A
the ability of the human race to access food of good quantity and quality
2
Q
factors affecting food security
A
- increasing human population
- changing diets (as people become richer, they eat more meat)
- climate change (causes droughts, and due to increased CO2, plants will photosynthesise more)
- new pests and pathogens
3
Q
what is a pathogen
A
a bacteria or virus
4
Q
how can we increase food production
A
- maximising photosynthesis
- using fertilisers
- removing pests
- planting crops that are pest-resistant
5
Q
what is intensive farming
A
higher food production yield by:
- using pesticides/ fertilisers
- maximise animal growth
- maximise labour inputs by using machinery
6
Q
what is organic farming
A
natural methods that produce a smaller yield
takes more time to gain products and is more expensive
