What is the biggest detrimental impact the exponentially growing human population is having on the earth?
Earth's resources are being used up. Could lead to some species going extinct
Which of the following are impacts caused by the overpopulation of humans?
Pollution, Resource depletion,
meteorite showers, deforestation
Pollution, resource depletion, deforestation
increasing growth rate
Organic foods are assumed to be better because they do not use genetically modified foods, inorganic fertilizers, or pesticides. What is the MAIN reason to why more people do not by organic foods?
they are more expensive
What will happen if you do not rotate crop fields and continuously grow on the same field over and over again?
nutrients will be depleted from the soil
What is one harmful effect or downfall of using pesticides on plants for protection?
pests can become resistant to the pesticide
a population that is growing rapidly
a J-shape line
Which are long term impacts of deforestation?
decreased biodiversity, another ice age,
increased global temperatures,
desertification and soil erosion
decreased biodiversity, increased global temperartures, desertification and soil erosion
How has GPS improved farming techniques?
They have led to more equipment such as robotic tractors
Describe the consequences of GMOs.
i.e: negative, positive
intended, unintended
positive, intended
What type of coal mining will impact existing vegetation, destroy genetic soil material, displace or destroy wildlife and habitats?
Strip mining
This type of land requires more water to produce protein for human consumption.
livestock ranches/farms
The main cause of the overgrowth of algae in a pond.
high levels of nitrogen from fertilizer runoff
The lack of physical, social, or economic access to safe and nutritious foods
food insecurity
A negative effect of clear cutting.
increased soil erosion
What 3 types of information can you read from a population pyramid?
Gender, age, and population percentage
Name a process that contributes to desertification.
multiple options: soil erosion, overgrazing, overcultivation
This is the time when increased fertilization and better irrigation systems allow for areas such as Asia and Mexico to increase their grain crop yield.
The Green Revolution
What is a negative impact that urbanization has had on food production?
takes over land that is used for agriculture
How can reforestation reverse the effects of desertification?
The trees' roots help hold soil together to keep it from eroding away
This is the loss of fertile soil making the area more desert-like.
Desertification
Which human activity would use the most freshwater?
irrigation of agricultural lands
Describe what the type of growth if a country were in Stage 1 of the demographic transition.
Why are prescribed burns (controlled burns) important?
they remove older and diseased trees that are susceptible to catching fire by lightning causing wild fires