Vocabulary
The number of individuals per unit area.
Population Density
When the number of deaths and emigrants are greater than the number of births and immigrants.
Negative Growth
An owl hunting a mouse is an example of...
Predation
The type of growth that the human population has been experiencing since 1800.
Exponential Growth
More people burning fossil fuels will lead to an increase in air pollution and ____________.
Climate Change
The maximum population that an ecosystem can support
Carrying Capacity
When the number of births and immigrants is equal to the number of deaths and emigrants.
Zero Growth
Parasitism
The most populated country in the world.
India
True or False: Since 1800 death rates and birth rates have declined.
True
The study of human populations.
Demography
Very rapid growth over a short period of time; makes a J shaped graph.
Exponential Growth
A relationship where both species benefit from each other.
Mutualism
The type of country that has lower incomes and rapid population growth.
Developing Countries
Habitat loss from human development disrupts the food chain and causes a decrease in plants and animals. This is also known as...
Loss of Biodiversity
The movement of individuals out of a population.
Emigration
When a population reaches its carrying capactiy and the line flattens out on the graph.
Logistic Growth
An interaction that harms both species.
Competition
Name 2 factors that affect a population size.
Any 2: Fertility Rates, Immigration/Emigration, Life Expectancy, Age Structure, Death Rates
Name 2 environmental issues that are worse because of overpopulation.
Any 2: climate change, air pollution, resource depletion, deforestation, loss of biodiversity, water pollution
The maximum number of offspring that each member of the population can produce.
Reproductive Potential
A limiting factor that affects crowded population, like disease and competition.
Density Dependent
An interaction that benefits one species and does not affect the other species.
Commensalism
Name 3 reasons why the human population began to grow exponentially in the 1800's.
Any 3: increase in food production, clean water, improvements in hygiene, vaccines/medicine, industrial revolution
Name 3 solutions to the problems associated with overpopulation.
Any 3: Education, Family Planning, Renewable Energy, Sustainable Agriculture, Conservation Efforts, Green Technology