Covering topics such as population dynamics, rocks and weathering processes, plate tectonics, slope systems, case studies, and plate boundaries, this guide offers concise yet thorough explanations supplemented with illustrative diagrams and examples. Additionally, it includes a selection of past pa...
LO: To examine the state of food security
around the world
,Population – Resource Relations
Food Security
What we need to succeed:
Understand and describe food security throughout the world
Explain the causes and consequences of food shortages
Assess how technology has changed food production on a global scale
, Key words
Food Security: when all people at all times have access to sufficient, safe, nutriti
food to maintain a healthy and active life.
Carrying capacity: the number of people, animals, or crops which a region ca
support without environmental degradation.
Population ceiling: the theoretical maximum number of people who can be
supported by the available resources and level of technology in a geographic
area.
Population boom and crash: are sudden rises and declines in the numbers o
individual members in a population, species or group of organisms.
Famine: extreme scarcity of food often leading to starvation and malnutrition
Constraints (e.g. war, hazards): a limitation or restriction.
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