Chapter 7 Flashcards
(26 cards)
How many people suffer from under-nutrition?
870 million people
Receiving few calories than minimum dietary energy requirement is ______________
under-nutrition
Every 5 seconds a child dies of ___________.
under-nutrition
a shortage of needed nutrients; occurs when a person fails to obtain complete proteins, lipids, vitamins, and minerals.
malnutrition
Malnutrition leads to ____________.
disease
high starch, deficient protein
bloating, deterioration/discoloration of hair, mental disability, reduced growth,
Kwashiorkor
protein deficiency and lack of calories
Marasmus
The practice of raising crops and live stock for human use & consumption
agriculture
land used to raise plants for human use is ________________
cropland
land used for grazing livestock is ____________________
rangeland
_______________ is practiced on 38% of the Earth’s surface.
Agriculture
______________ uses more land than any other human activity.
Of this, 26% is used for ______________,
and 12% is used for _______________.
Agriculture
rangeland
cropland
Where do we get most of our food and fiber from?
cropland and rangeland
How long has the human species been in existence?
200,000 years
Humans are____________/____________
Hunter/Gatherers
_____________ years ago people began to raise plants from seed and domesticate animals.
10,000
___________________ is the work of cultivating, harvesting, storing, and distributing crops performed by human and animal power with hand tools and machines.
traditional agriculture
________________ is mixtures of different crops in small plots of farmland.
Poly culture
Traditional farmers usually practice ________________.
Poly culture
Traditional _____________ is still used today, but has overtaken new methods to increase crop yields.
agriculture
_____________________ introduced large-scale mechanization and fossil fuel combustion to agriculture.
The industrial revolution
Replacing agricultural practices with mechanics to provide faster and more powerful ways of cultivating, harvesting, transporting, and processing crops is called ______________________.
Industrial agriculture
_______________ is practiced on 25% of the world’s cropland.
Industrial agriculture
Planting areas with single crops in orderly, straight rows is called ______________________.
mono culture
