Food Production Flashcards
1
Q
Why do farmers add fertilisers
A
To help make plants grow faster and healthier
2
Q
What is a natural fertiler
A
Dead plants and animals
They decompose by bacteria and release nitrates into soil
3
Q
What are GM crops
A
Crops that have been genetically modified to include a useful gene
Eg to make them stand cold temps
4
Q
What are pesticides
A
Chemicals that kill plant and animals that would spoil food crops
5
Q
What happens to the pesticide as it is passed along the food chain
A
Increase
6
Q
What term is given to the build up of substances in living organisms
A
Bio-accumulation
7
Q
What is a biological control
A
Use of natural predators and diseases to control pest organisms
