Worksheetspopulation dynamic
Total questions: 22
Worksheet time: 11mins
There are about _________ people alive right now.
2.6 billion
7.7 billion
10.6 billion
77.0 billion
Which is a biotic factor?
soil
air
bacteria
water
Which of the following is a density independent factor?
competition for resources
predation
disease
natural disasters
Number of deaths each year per 1,000 people
population growth
population density
birth rate
death rate
All of the people in a particular area
migration
demographics
population
census
Study of population patterns and change
census
demographics
migration
death rate
Number of births each year per 1,000 people
birth rate
population growth
population density
migration
the pattern or spread of people in a given area
census
death rate
population distribution
demographics
the number of people in a defined area such as a square mile
population density
birth rate
death rate
population
Birth Rate + Migration - Death Rate =
population growth
population density
Population divided by Area =
population density
population growth
Why do people live longer today than 200 years ago?
better health care
better restaurants
better hairstyles
better clothing
____________ is the pattern of spacing of a population within an area.
Dispersion
Population Density
Immigration
Carrying Capacity
What is emigration?
Movement of individuals away from a population
Population with zero growth rate
Movement of individuals into a population.
Population with positive growth rate
What is immigration?
Movement of individuals away from a population
Population with zero growth rate
Movement of individuals into a population.
Population with negative growth rate
