ch. 9 key terms

Question 1

demography

Answer 1

the growth and regulation of animal and plant populations

Question 2

age structure

Answer 2

The composition of a population in terms of the proportions of individuals of different ages

Question 3

survivorship

Answer 3

the percentage of newborn individuals in a population that can be expected to survive to a given age

Question 4

fertility rate

Answer 4

the number of children born alive to women of that age during the year as a proportion of the average annual population of women of the same age

Question 5

migration

Answer 5

seasonal movement of animals from one region to another

Question 6

life expentacy

Answer 6

the average period that a person may expect to live.

Question 7

demographic transition

Answer 7

a long-term trend of declining birth and death rates

Question 8

infrastructure

Answer 8

the basic physical and organizational structures and facilities (e.g. buildings, roads, power supplies) needed for the operation of a society or enterprise.

Question 9

arable land

Answer 9

land fit or used for the growing of crops also

Question 10

urbanization

Answer 10

the process of making an area more urban

Question 11

least developed countries

Answer 11

low-income countries confronting severe structural impediments to sustainable development.