Term
| most regions of the world have been getting _____ food |
|
Definition
|
|
Term
| food production in the 20th century has _______ population growth |
|
Definition
|
|
Term
| problems of undernourishment and starvation have to deal with ______ and ____ not food production |
|
Definition
|
|
Term
| amount of people predicted for 2050 |
|
Definition
|
|
Term
| this is expected to increase even when the population growth levels off |
|
Definition
|
|
Term
| as affluence increases this also increases |
|
Definition
| per capita food consumption |
|
|
Term
| as affluence increases this also increases |
|
Definition
| per capita food consumption |
|
|
Term
| 5 ways to produce the amount of food that is going to be needed in the future? |
|
Definition
| 1. cultivate new land 2. increase production limits (manipulate crops to increase the production per acre) 3. reducing waste of food 4. changing diets 5. expanding aquaculture |
|
|
Term
| how could we cultivate new lands? |
|
Definition
| cultivate "land reserves" |
|
|
Term
| increase production limits |
|
Definition
| manipulate crops to increase the production per acre |
|
|
Term
| green revolution produced |
|
Definition
| high yield variets of food (corn, wheat, and rice) through selective breeding |
|
|
Term
| modern genetic techniques may allow for production of varieties that will |
|
Definition
| yield well in challenging environments |
|
|
Term
|
Definition
| cross breeding until you get best combination of desirable traits (genes) |
|
|
Term
| through breeding more photosynthate can get to |
|
Definition
|
|
Term
| modern wheat, corn, and rice receive ___% of photosynthate |
|
Definition
|
|
Term
| acres of most U.S. crops have been on a linear |
|
Definition
|
|
Term
| a series of research, development, and technology transfer initiatives, occuring between 1940 and 1970 led to this |
|
Definition
| increase agriculture production around the world |
|
|
Term
| positives created by green revolution |
|
Definition
| 1. in 35 years food production doubled 2. held back deforestation |
|
|
Term
| drawbacks of the green revolution |
|
Definition
| 1. crops now require energy intensive irrigation, fertilizer, and pesticides 2. high cost tends to benefit large land owners 3. loss of genetic diversity |
|
|
Term
| technique of biotechnology (steps to get GMO) |
|
Definition
| 1.identify and sequence genes that do something you want 2. insert copies of genes into geonome of another species that lacks capability 3. the genetically modified organism expresses new traits |
|
|
Term
| technique of biotechnology (steps to get GMO) |
|
Definition
| 1.identify and sequence genes that do something you want 2. insert copies of genes into geonome of another species that lacks capability 3. the genetically modified organism expresses new traits |
|
|
Term
| Transforming species to get GMO's requires these three things |
|
Definition
| 1. money 2. equipment 3. brainpower |
|
|
Term
| 4 aims of genetic modification |
|
Definition
| 1. resistance to disease and pests 2. tolerance of environmental conditions 3. nutritional value 4. pharmaceutical value |
|
|
Term
| 3 environmental benefits of genetic modification |
|
Definition
| 1. reduction in use of pesticides 2.less erosion 3. less damage because of reduced demand for additional farmland |
|
|
Term
| 3 environmental concerns of genetic modification |
|
Definition
| 1. pest resistance 2. effects on non-target organisms 3. gene flow to weed species |
|
|
Term
| Epidemiological concerns of GMOs |
|
Definition
| 1. allergice responses 2. will host plants produce toxins in response to inserted genes |
|
|
Term
|
Definition
|
|
Term
| psychological concern from GMO's |
|
Definition
| aversion to new technology and resistance to adoption |
|
|
Term
| globally around ___% of food is lost to waste |
|
Definition
|
|
Term
| in developing world food loss is due to |
|
Definition
| food chain infastructure (india no refrigeration) |
|
|
Term
| in developed world food loss is due to these 3 reasons |
|
Definition
| 1. picky consumers (throw out blemished food) 2. super sizing 3. fear of litigation and conservative use by dates |
|
|
Term
| aquaculture currently provides people with __% of animal protein intake |
|
Definition
|
|
Term
| 4 things that will lead to expanding aquaculture |
|
Definition
| improvements in technology 2. better stock selection 3. economy of scale 4. open aquaculture |
|
|
