topic 9 - ecosystems (food security) Flashcards
1
Q
biofuel
A
fuel produced from biomass
2
Q
agricultural input
A
something needed for growing food, such as farm equipment, fertilisers or pesticides for crops
3
Q
food security
A
having access to enough safe and healthy food at all times
4
Q
sustainability
A
ability to continue something, such as food production, at the same level without negative effects now or in the future
5
Q
how is new pests and pathogens a threat to food security
A
Pests eat food crops, and pathogens cause infectious diseases, both of which reduce the amount of food crops available
6
Q
vector (disease)
A
something that transfers things from one place to another, e.g. an organism that carries a pathogen from one infected person to another
7
Q
yield
A
the amount of useful product you can get from something
