Planet 101
The Circle of Life
Humans vs. Nature
Earth's Hidden Gems
Building a Better Tomorrow
100
What are the 3 parts of sustainability?
Environmental, economic and social
100
A producer has 100,000 J of energy, how much energy is available to a secondary consumer?
1,000 J
100
Give an example of a social hazard.
smoking, choosing an unsafe car, etc.
100
What type of timber harvesting method produces the most uneven-aged regrowth?
Selection system
100
What are the 4 types of nonrenewable resources?
coal, oil, natural gas and nuclear power
200
A village need fish from a small pond to survive. One family is selfish and captures all of the fish, using all of the resources available. What is this an example of?
Tragedy of the commons
200
Population growth can be temporarily affected by seasonal movement into and out of a population is called what?
Migration
200
What is sprawl?
Moving outwards from an urban dense core. increases use of transportation which increases fossil fuel use.
200
Describe what desertification means.
When land is in the process of becoming desert like. (few plants and dried, unusable soil)
200
Name the 2 main greenhouse gases that have contributed to global warming.
CO2 & methane
300
This term is used to describe the number of Earth's one individual "uses" in terms of water and land
Carbon footprint
300
What is the most common type of population distribution seen among animals?
Clumped
300
Describe what risk assessment is.
Measuring the probability that a hazard will cause harm.
300
Name a disadvantage of using pesticides for agriculture.
Genetic resistance of pests and they kill important pollinators insects as well as pests.
300
What are the 4 pieces of evidence that show that global warming is occuring?
1. higher temperatures
2. rising sea levels
3. polar ice caps melting
4. changes in precipitation
400
What is sustainability?
The management of resources to ensure they are not used up.
400
Give an example of a density dependent and density independent factors.
DD: competition, diseases, hunters, predators
DI: weather or natural disasters
400
Based on this age structure, is the birth rate high or low? Is the death rate high or low? Has this population undergone a demographic transition?
Birth rate: High
Death rate: High
Demographic transition? No, both birth and death rates need to be low.
400
What are three things that AZ's water is reclaimed and reused for?
Palo Verde power plant, watering golf courses & irrigation of crops on farms.
NOT DRINKING WATER!
400
What is the greenhouse effect?
The warming of Earth's atmosphere.
500
Give the full definition of environmental science.
The study of how the natural world works, how our environment affects us and vice versa, and solving environmental problems.
500
Give an example of an event that would cause primary succession and secondary succession.
Primary: glacier retreats, volcano erupts
Secondary: forest fire, landslide
500
Why are large urban cities considered heat islands?
They have higher temperatures than surrounding areas because cities have more infrastructure like roads and buildings that absorb and retain heat from the sun.
500
What is an aquifer? What happens if the an aquifer is depleted?
Water stored underground.
If it becomes depleted, the water table drops which can cause sink holes to occur when soil loses its structure.
*water table: the line that separates saturated vs unsaturated soil.
500
At really high temperatures, would hydropower or solar energy be more effective? Why?
Hydropower because the cells in solar panels don't work at extremely high temperatures.