APES Midterm Review
Soil sample permeability:
10% clay, 10% silt, 80% sand
A population has a growth rate of 2%, how many years will it take to double?
35 yrs
A PH of 4, is how many times as great as a pH value of 7?
7-4=3 1,000 times greater
Annual growth rate 2%, population doubling:
70/2=35 years
If an area was originally forested and then went through development which shows the most effects on the water cycle?
A.) evaporation-> down runoff-> up and groundwater recharge-> down
Which of the following represents a positive feedback loop in the Arctic that is associated with anthropogenic climate change?
Arctic Ocean Ice melts>Ocean Surface water temps increase> More ice melts
Area where new crust is being created at a divergent plate boundary:
B.) Mid Atlantic Ocean Ridge
Distance downstream:
C smallest/lowest amount of fish present
Storm water runoff from a new construction site leads to:
Destruction of fish habitats from increased turbidity
Population growing exponentially
Does not experience limiting factors
Which letter represents an area with Island Arcs?
E.) Philipines
High sea surface temps are due to:
El Nino
Total fertility of a society:
Fertility decreases as a society progresses through the demographic transition
The presence of high levels of fecal coliform bacteria indicate that the water:
Has been contaminated by animal waste.
Which of the following indicates that a body of water is contaminated by human waste water?
High levels of nitrogen and phosphorus, high BOD (biological oxygen demand)
Stats that indicate high quality of life:
High life expectancy and low infant mortality
What is true about stratosphere?
Highest concentration of naturally occurring ozone
Nitrogen based fertilizers in the midwest contribute to:
Hypoxia in the gulf of mexico
What reduces exposure of farm workers and residents to toxic pesticides?
IPM= integrated pest management
Most of earth's freshwater is in:
Ice caps and glaciers
Releasing sewage/ organic waste into a river causes:
Increase in biological oxygen demand
Pesticide treadmill:
Increased use of pesticides to eradicate genetically resistant pests
Which of the following is true of thee Ogallala Aquifer?
It underlies the high plains (midwest) in the United States
Graph demonstrating a populations biotic potential:
J curve
Which of the following is 'fixed' from the atmosphere by bacteria?
Nitrogen
Subduction zones tend to produce deep undersea trenches due to:
One tectonic plate forced to bend under another
Increased skin cancer in Australia is caused by:
Ozone depletion in stratosphere
What influences the flow of water through soil?
Permeability
Which of the following is the most likely cause of recent algae blooms in lake Erie?
Phosphorus contained in agricultural run off
The sun's radiation provides energy for all of the following except:
Plate Tectonics
What are government policies or practices that are used to promote fertility?
Public housing priorities for families w/ more than 2 children
Low anchovy catch in 1998 was a result of:
Reduction in ocean upwelling along the coast (Peru, sea surface temperature)
Which process converts saltwater to freshwater?
Reverse Osmosis
Graph demonstrating a populations carrying capacity:
S curve
Overuse of groundwater in a coastal region leads to:
Saltwater Intrusion
Based on the data table above which site most likely has a construction site immediately upstream from it?
Site C (highest water temp and highest turbidity)
Which of the following surfaces has the highest albedo?
Snow
Farmer observes higher concentration of a pesticide is needed to combat a particular pest:
Some individual insects are more likely than others to survive and reproduce due to their inherited traits
Region where the protective ozone layer is located:
Stratosphere
Crude growth rate is:
Subtracting CDR from CBR
Phytoplankton are most abundant in the upper few hundred feet of most bodies of water because:
Sun light does not reach greater depths of water.
Layers of earth's atmosphere are indicated by:
Temperature
The best example of the tragedy of commons is:
The over-harvesting of fish from publicly owned lakes.
What stage do Population growth rates peak?
Transitional stage (birth rates are high death rates drop)
The region where climate change occurs:
Troposphere
What best describes the process of leaching?
Water percolation through the soil, dissolving some of its material
An effective, short-term remediation strategy to fix an acidic pond is:
add calcium carbonate to water
Pourous water saturated levels of sand, gravel, and bedrock that groundwater flows through in known as:
an Aquifer
What compound does not deplete stratospheric ozone?
carbon dioxide
Rule of 70 (doubling time)
divide 70 by percent growth rate to approximate doubling time on years
Birth rate drops and death rate drops:
industrial stage
Primary Producer
main function of photosynthesis is to make glucose (ATP) for energy
R-selected species:
reach sexual maturity quickly
Waste from which of the following is an example of nonpoint source pollution:
runoff from an agricultural field
Most grain in the United States is used:
to feed livestock