Population And Environment key words

Question 1

Biotechnology

Answer 1

The science behind genetic modification

Question 2

Co-operative

Answer 2

A group that works together to share costs and maximise profits

Question 3

Population distribution

Answer 3

The pattern of where people live

Question 4

Profile

Answer 4

A cross section of soil

Question 5

Capital investment

Answer 5

Funds invested in a firm or enterprise for the purposes of furthering its business objectives

Question 6

Population density

Answer 6

The number of people living in an area, usually given as a number of people per km2

Question 7

Depth and food deficit

Answer 7

A measure of the difference between average good consumption and average food requirements (in kilocalories per person per day)

Question 8

Aeroponics

Answer 8

Growing plants in air that contains a mist of water with nutrients

Question 9

Fertility rate

Answer 9

This is the average number of children that are born to a woman during her lifetime

Question 10

Agrochemicals

Answer 10

Artificial pesticides and fertilisers that are using in farming

Question 11

Topography

Answer 11

The shape of the land

Question 12

Temperate zone

Answer 12

A region with mild climate found at the mid-latitudes

Question 13

Malnutrition

Answer 13

Consuming an unsuitable amount of energy, protein and nutrients

Question 14

Food security

Answer 14

When people have enough affordable and nutritious food to eat.

Question 15

Urban and peri urban horticulture

Answer 15

Subsistence farming that takes place on small plots of land within and around the edge of cities

Question 16

Tillage

Answer 16

Land use for cultivation

Question 17

Cash crops

Answer 17

A crop produced to sell rather than for the farmer to consume

Question 18

Under nutrition

Answer 18

Consuming too little food, leading to loss of body weight

Question 19

Exponential growth

Answer 19

When the rate of increase becomes ever more rapid in proportion to the size of the population

Question 20

Aggregates

Answer 20

Particles that bind together

Question 21

Normandic cultivation

Answer 21

When a farmer moves from one place to another to find water supplies and better pasture land

Question 22

Alluvial soils

Answer 22

Fertile soils deposited when a river floods

Question 23

Transnational corportations

Answer 23

Large companies that operate across national boundaries

Question 24

Aqua culture

Answer 24

Farming the seas

Question 25

Viticulture

Answer 25

The cultivation of grape vines for wine making

Question 26

Groundwater aquifiers

Answer 26

Rocks beneath the ground that store water

Question 27

Salt water intrusion

Answer 27

The movement of saline water into fresh water supplies

Question 28

Soil erosion

Answer 28

The loss of soil through natural forces such a wind or rain

Question 29

Sedentary cultivation

Answer 29

Farming that occurs in one place

Question 30

Eluviation

Answer 30

The movement of soil material from upper to lower horizons by the downwards movement of water

Question 31

Hydroponics

Answer 31

Growing plants in material other than soil, such as pebbles or sand or liquid

Question 32

Rills

Answer 32

Shallow channels cut into the soil by running water

Question 33

Over-abstraction

Answer 33

Taking too much of something such as too much water from ground water supplies.

Question 34

Parent material

Answer 34

Rock underneath soil

Question 35

Rainfed

Answer 35

Using water up that comes from rainfall

Question 36

Boreal zone

Answer 36

A cold region to the south of the Arctic

Question 37

Food insecurity

Answer 37

Not having access to affordable, nutritious food

Question 38

Gullies

Answer 38

Deep channels cutting into the soil

Question 39

Conservation cropping

Answer 39

The practice of minimising soil disturbance, planting crops early and retaining stubble (stems left after harvesting)