Population Density
The three largest population clusters can be found in this continent.
What is Asia
These are the four factors the contribute to population change.
What are births, deaths, immigration and emigration
These are tools used to visually represent several different traits in a population and show its structure.
What are population pyramids.
Expansion that increases by the same amount during each time interval
What is Linear Growth.
A strategy to reduce loss of trophy hunted endangered species.
What is More laws limiting hunting and less poaching, greater animal survival
R-Selected Characteristic - leading to great opportunity for reproduction
What are short gestation periods or younger age to reach reproduction?
This is the term for the amount of time it takes for a population to grow by 100%.
What is doubling time?
This is a measure used to show the number of babies who die in the first year of their life.
What is Infant Mortality Rate.
This term describes when a disease spreads throughout a small area.
What is an endemic.
This is the population density per square mile of the United States 3.797 million mi² and 329.5 million people
What is 86 people/km2?
Many countries suffer from deforestation for this purpose, Haiti being an example
What is Using trees/charcoal for fuel or source of income
This is the replacement level in terms of Total Fertility Rate necessary for the earth's population to grow.
What is 2.1 children
IMR (Infant Mortality Rates) and CMR's (Child Mortality rates) are highest in these two continents.
What are Africa and Asia
At least 3 methods governments have used to change population in different nations.
What are tax breaks, child limits, eugenics, etc.....
The number of countries in the world with an evenly distributed population density.
What is 0
These are three of the factors that have led to an exponential growth of the world's food supply.
What are greater technology, mechanization, more fertilizers, genetically modified organisms, etc....
This is what the world's doubling time is doing compared to the past 100 years.
What is increasing
Calculate the percent loss for Red wolves in North Carolina. 2006 there were 130 wolves. In 2020 there were 20 Wolves.
85% decrease
Organisms with long gestation periods, low infant mortality rates, and Low death rates.
What are type I survivorship curves.
This percentage of people in Egypt live along the Nile River valley. 102 million people live along the Nile. 2.7 million Egyptians do not live along the Nile.
What is 98%
Deforestation leads to Loss of root structure, root structures allow naturally-occurring acids to run off into streams
What is a rise in pH levels.
These are the five stages of the Demographic Transition.
What are Low Growth, Increasing Growth, Population Explosion, Decreasing Growth, and Declining Population.
Daily Double-
what is Increased access to health care
in 2021 there are 3,500 tigers remaining in the wild worldwide. If tiger numbers will decline at a rate of 70% between 2021 and 2025, then this many tigers will remain in 2025.
What is 1,050 Tigers remaining in 2025.