10 Population and the environment

Key Terms: population distribution: the [blank_start]pattern[blank_end] of where people [blank_start]live[blank_end] population [blank_start]density[blank_end]: the [blank_start]number[blank_end] of [blank_start]people[blank_end] living in an area, usually given as the [blank_start]number[blank_end] of [blank_start]people[blank_end] per km^2 fertility rate: sometimes called total fertility rate (TFR), this is the [blank_start]average[blank_end] number of children that are born to a [blank_start]woman[blank_end] during [blank_start]her[blank_end] lifetime

what is the most common way that population is distributed

what are some examples of human population measures?

what key elements within the physical environment determine the characteristics and rates of change within a population

Key term: exponential growth: when the rate of increase becomes [blank_start]ever more rapid[blank_end] in proportion to the size of the population

What were the most populous countries in 2015?

what country saw their population growth rate fall between 2011-15 annually?

what leads to the exploration, exploitation and development of new resources?

Key term: food security: when people [blank_start]have[blank_end] enough affordable and [blank_start]nutritious[blank_end] food to eat

how much of the usable land on the planet is used to grow food? [blank_start]around 1/2[blank_end]

what food production trends have arisen?

The [blank_start]countries[blank_end] that produce the most food are not always the countries that [blank_start]consume[blank_end] the most food. Trade between different [blank_start]nations[blank_end] enables the food produced in one country to be transported elsewhere.

Food consumption is measured through calorie [blank_start]intake[blank_end]; an average person needs to consume between [blank_start]2000[blank_end] and [blank_start]2500[blank_end] calories a day in order to maintain their [blank_start]weight[blank_end] and remain healthy. Average calorie intake for every part of the world has [blank_start]increased[blank_end] since the 1990s and is expected to continue to [blank_start]rise[blank_end] by 2030.

what countries are expected to see the highest increase in calorie intake between 2015 and 2030?

Key terms: [blank_start]malnutrition[blank_end]: consuming an unsuitable amount of energy, protein and nutrients [blank_start]under-nutrition[blank_end]: consuming too [blank_start]little[blank_end] food, leading to [blank_start]loss[blank_end] of body weight [blank_start]depth of the food deficit[blank_end]: a measure of the difference between [blank_start]average[blank_end] food consumption and [blank_start]average[blank_end] food requirements

People in [blank_start]industrialised[blank_end] countries consume [blank_start]more[blank_end] calories than they need. The world health organisation (WHO) has identified a '[blank_start]double[blank_end] burden of malnutrition' whereby HIC's and LIC's are both facing malnutrition. People in HICs are eating food that is [blank_start]high[blank_end] in calories but [blank_start]low[blank_end] in nutrients.