Feeding the World & Food efficiency
famine is
what is the widespread malnutrition and starvation in an area due to a shortage of food
The amount of energy that is available in food is expressed in
what is calories
In simple terms, what does it mean to be malnourished?
what is not getting enough food and nutrients
the period that saw enhancements in technology that resulted in increased crop yields
what is the green revolution
On average, more energy, water, and land are used to produce a calorie of food _________ than to produce a calorie of food ________
what is from animals, from plants
The major nutrients we get from food are
what is carbs, proteins, and lipids
world food production has been increasing for...
what is decades
what resulted from the Green Revolution
what is crop varieties and modern agriculture techniques
only about ________ of the energy from the plants gets stored in the animals
what is 10 percent
Vitamins and minerals
More food is needed each year to feed the worlds _______ population
what is growing
between what decades is there an increase in crop yields worldwide?
what is 1950s- 1970s
What usually causes the event of famine
what is catastrophic event
The foods produced in the greatest amounts worldwide are ......
what is grains
...... can also lead to malnutrition because they interrupt transportation systems
what is wars and political strife
What are the negative effects of the Green Revolution
soil degradation and overuse of fertilizers and pesticides
what factor makes growing food crops more difficult
what is environmental damage
People in more developed countries tend to _________ food and ___________ of proteins and fats than people in less developed countries
what is eat more, a larger proportion
a condition caused by inadequate nutrition and lack of protein and other key nutrients
what is chronic malnutriton
True or false subsistence farmers could afford the equipment, water, and chemicals needed to grow new crop varieties.
what is FALSE