- Several ways in which the quantity of food has been produced:
- agricultural machinery
- agricultural chemicals
- selective breeding.
- Problems with monoculture (the cultivation of a single crop in a given area):
- biodiversity is low.
- can lead to an increase in populations of organisms that are pests of the crop.
- insecticides sprayed onto crops harms useful insects.
- Disadvantages of intensive farming:
- welfare issues for the livestock.
- the waste from the farming can pollute land and waterways nearby.
- Food is distributed unequally on our planet.
- Reasons famines occur:
- the weather (droughts and flooding).
- human population in particular area is too big.
- wars prevent people from working and harvesting crops.
- Habitats are destroyed when we use land for other purposes.
- Habitats can also be damaged if we remove key species from them.
- deforestation= the…