1st Semester Exam Flashcards
In a tragedy of the commons, an example of a “common” would include?
An ocean fishery
All non-renewable resources are?
Exhaustible
What could be considered an “ecosystem service”?
Wetlands providing flood control for cities
What could decrease one’s ecological footprint?
Walking to school rather than driving
The book “Silent Spring” is associated with what person?
Rachel Carson
The temperature of your skin increases, which leads to an increase in perspiration. Perspiration evaporates from the surface of your skin. The temperature of your skin then decreases. What is this an example of?
A negative feedback loop
Who was the founder of the “Green Belt Movement”?
Wangari Maathai
The idea that economic improvement for the world’s poorest populations is possible without devastating the environment is known as what?
Sustainable Development
What fraction of the world lives in extreme poverty (less than $1 a day)?
1/5
Where are the majority of the world’s dirtiest cities located?
In China
“Creation Care” or the idea of taking care of the environment because God gave it to us is called?
Stewardship
Where on the axis is the dependent variable plotted?
Y-Axis
Where on the axis is the independent variable plotted?
X-Axis
Where did the worst nuclear accident in history happen?
Chernobyl, Ukraine
Statistics are used in what?
Analyzing Data
A revolution in scientific thinking is known as a what?
Paradigm Shift
An experiment in which a test group does not receive a variable is called a what?
Controlled Study
A testable explanation based on research alone is a what?
Hypothesis
What is the first calculation needed to determine the standard deviation of a set of values is the what?
Mean
What role in terrestrial food chains do bacteria by an underwater vent fill?
Autotrophic, primary producers
On land, water that reaches the atmosphere from the surface of leaves does so through a process known as what?
Transpiration
What is not a form of electromagnetic radiation?
Sound Waves
The atomic number of nitrogen is 7. A neutral nitrogen-15 atom is composed of what?
7 protons, 8 neutrons, and 7 electrons
Excessive inputs of nitrogen and phosphorus compounds may cause excessive growth of vegetation in surface waters. What is this process known as?
Eutrohication
Nitrogen fixation will take place in fields that are planted with what?
Soy Beans
A 3000-watt (3kWh) space heater was used for 3 hours. How much energy did the heater use?
9 kWh
What is not an ecosystem service?
Ozone Depletion
What types of plants are involved in the nitrogen-fixing process?
Legumes
What process decreases the amount of carbon dioxide in the atmosphere?
Photosynthesis
Acid rain with a pH of 5 is more acidic than distilled water by a factor of?
100
What kind or organisms could be tertiary consumers?
Top of the food chain animals such as sharks and lions
What type of animal does not remove waste form the environment when feeding?
Carnivores
What are the 2 high-energy molecules?
ATP and NADPH
Entropy, the tendency toward disorder in a system resulting in less available energy to do work is part of what?
The Second Law of Thermodynamics
1 calorie is equal to how many Jules?
4.184 J
Extremophiles obtain energy for metabolic processes through what?
Chemosynthesis
What is the smallest unit of a compound?
Molecule
What is the smallest unit of an element?
Atom
Compounds such as water and carbon dioxide are held together by what type of bond?
Covalent
Organic compound contain what element?
Carbon
Bases are substances that give up what type of ions in water?
Hydroxide
A special class of proteins that include catalysts are what?
Enzymes
What element cycle contributes greatly to soil pH changes, acid rain, air pollution from burning fossil fuels, and human eye and respiratory illnesses?
The Sulfur Cycle
`What biome is maintained through occaisional fires?
Grasslands
What non-point pollution type is most likely to cause cultural eutrophication in lake ecosystems?
Fertilizer from agricultural fields
Photosynthetic organisms such as phytoplankton would be most abundant in what oceanic zone?
Euphotic
What country would have the largest percentage of boreal forests?
Russia
The land area that delivers recharge to smaller tributary streams that flow into larger rivers is known as what?
Watershed
What is the strongest influence on the system of ocean currents running between the tropics and the poles?
Differences in water density due to temperature and salinity concentrations
What are 4 reasons why coral reefs and estuaries can support such a high level of diversity?
1: Both ecosystems have abundant nutrient flow supporting phytoplankton populations
2: Coral reefs and estuaries receive and abundant amount of sunlight
3: Both ecosystems provide plenty of habitat space for organisms
4: These ecosystems do not have commercially important species therefore human impact on biodiversity is limited