B6.2.2 - Feeding the World Flashcards
What is sustainable food production?
Producing food in a way that could be continued indefinitely
Name an example of a sustainable food production method.
Fish farming
Why can fish farming be dangerous?
It can lead to the extinction of species of fish (overfishing)
State examples of how overfishing can be prevented?
Bigger holes in fish nets
International organisations creating fishing quotas
What is overfishing?
Fishing and killing more fish quicker than their rate of reproduction
State an example of sustainable farming methods.
Replacing soil nutrients with manure
Crop rotation
Biological control
What is crop rotation?
Planting different crops each year so the soil can regenerate because different crops take different nutrients
What is biological control?
Breeding predators to be released onto pests
What are hydroponics?
Growing a plant in water containing dissolved minerals