Food production Flashcards
what is food security
Having enough food to be able to feed a population
state the biological factors threatening food security
.rising birth rates
.new pests and pathogens
.environmental changes
.changing diets
.increased cost of agriculture
how does intensive farming increase the production of animals
. feed animals high protien foods to increase growth
. reduce their energy loss to the environment
. feed animals anitbiotics to prevent diseases
what are the advantages of intensive farming
.higher yield of food
.more efficient
.allows easier quality control
what are the disadvantages of intensive farming
. may lead to antibiotic resistance
.cost is high
.ethical objections
.biodiveristy may be reduced
how can fish stocks be conserved
.control the size of gaps in fishing nets
.introduce fishing quatas
what is a transgenic organism
an organism that has been genetically modified to contain genetic material from another source
state an example of genetically modified foods
golden rice
how might crops be genetically modified
. to improve nutritional value
.to be pestresistant
.to be pesticide resistant
what are the advantages of golden rice
it contains beta-carotene , which can be converted to vitiman A in the body.
what is mycoprotien
a protien-rich substance used to make meat substitute food for vegetarians and vegans
how is mycoprotien produced
a fungus is grown on glucose syrup , in aerobic conditions.
