Env. Science Chapter 8

the number of organisms that an environment can support

Both birth rates and death rates fall to low and stable levels

Invention of large _______ machines made it possible to plant and harvest food in mass quantities

new diseases that can become threats to the human population as a whole;often occur when human and animal habitats merge

Ecological footprint of a ___ person is usually larger than that of a ____ person

For much of the ___ century, population growth rate rose from year to year, but recently it has started to decline

Population density is highest in regions with ____ and ____ climates

Death rates decline as food production increases and medical care improves and birth rates remain high

may force people to engage in environmentally harmful activities just to survive

how well an individual lives, like having basic life necessities such as a reliable food & water supply & space to live

how a population changes in size during a specific period of time

number of babies out of 1,000 that die during their first year of life

Characterized by conditions that have defined most of human history (birth and death rates were high)

study of human population statistics

nations with moderate or low income

Industrialization increases job opportunities outside the home, particularly for women and birth rates fall

describes the relative numbers of organisms of each age within a population

high-income nations, includes the U.S., Canada, Western Europe, Australia, New Zealand, Japan, and some Arab states

the difference in assets and income between individuals in a society or between nations

how many people live per square mile or square kilometer

Which is not a positive impact of technology?

average number of years an individual is expected to live

Population density is lowest in regions with extreme climates such as ___ and ____

In ecological terms, the human population distribution is ____.

Which is not a negative impact of technology?

developed the germ theory of disease

the average number of children a female member of a population has during her lifetime

A negative population rate means the population is

people who study demography and apply the principles of population ecology to humans

began in the mid-1700s, societies started to shift from a rural life focused on agricultural goods to urban societies