Food Security Flashcards

(33 cards)

1
Q

food security

A

when all people at all times have access to sufficient, safe, nutritious food to maintain a healthy and active life

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

how many acres of land does it take to sustain the average american diet?

A

2.67

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

what region has the largest number of undernourished people?

A

India

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

what region has the largest proportion of undernourished people?

A

central africa

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

malnourishment

A

nutritional imbalance caused by a lack of specific dietary components or an inability to use essential nutrients

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

most common dietary deficiency in the world

A

iron deficiency (anemia)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

symptoms of iodine deficiency

A

goiter, thyroid function

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

symptom of vitamin a deficiency

A

childhood blindness

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

kawshiorkor symptoms

A

distended stomach from fluid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

kawshiorkor causes

A

enough calories, but not enough nutrients after being displaced from the breast

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

marasmus

A

“wasting away” from not enough calories or nutrients

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

what is a healthy BMI?

A

25 or below

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

what is an obese BMI?

A

above 30

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

what are the 3 major staple crops?

A

wheat, rice, maize

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

staples at high latitudes with cool, moist climates

A

potatoes, barley, oats, and rye

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

staples in warm, wet climates

A

cassava and sweet potatoes

17
Q

developed countries make up 20% of the world population, but consume ___% of meat and milk consumption

18
Q

____% of grain grow in North America is used to feed animals

19
Q

environmental issues with raising beef

A

greenhouse gases, forest destruction, water use, nutrient efficiency

20
Q

sheet erosion

A

thin, uniform layer of soil removed

21
Q

rill erosion

A

small rivulets of running water gather and cut small channels in the soil

22
Q

gully erosion

A

rills enlarge to form channels too large to be removed by normal tillage

23
Q

wind erosion

A

can equal or exceed water as an erosive force

24
Q

main components of fertilizer

A

nitrogen, phosphorus, potassium

25
___% of crop yields may be lost without pesticides
50%
26
up to ___% of all pesticides never reach target organisms
90%
27
Flavr Savr tomato
vine ripened tomatoes are less susceptible to bruising
28
sustainable agriculture
produces food and fiber on a sustainable basis and to repair damage caused by destructive practices
29
methods to reduce soil erosion and rainfall runoff
crop rotation and continuous bluegrass
30
Dr. Gebisa Ejeta
- world food prize 2009 - drought resistant sorghum hybrids
31
David Beckham and Jo Luck
- world food prize 2010 - heifer international: grassroots organization that empowers everyday citizens
32
Dr. Robert Mwanga
- world food prize 2016 - developed a sweet potato that was rich in Vitamin A, drought and disease tolerant
33