APES Final Review
What community depends on periodic fires for reproduction?
Coastal pine forest
What type of Plate Boundary is this?
Convergent Boundary
What type of Plate Boundary is this?
Divergent Boundary
POPs
Persistent organic pollutants. Chemical compounds that persist in the environment and retain biological activity for a long time
IPM
Pest management using a variety of techniques, agricultural, biological and use of minimal amount of pesticides when necessary
Sick building syndrome
Result of bad air mixed with mold spores
Which agricultural pest control is most likely to have a negative and persistent effect?
chlorinated hydrocarbon
Hydrologic Cycle
evaporation, precipitation, and surface and groundwater runoff
What can be used to asses the biological diversity of an area?
genetic variation within each species and number of species present
Demographic Transition Model
a model of how the size of a population changes as a country develops its economy
Sinks ______ more carbon than they _________
absorb, release
What is the best explanation for how our atmosphere increases surface temperature?
absorption of infrared radiation by atmospheric gases
Biomagnification
accumulation of pollutants at successive levels of the food chain
Photochemical Smog
air pollution that forms from the interaction between chemicals in the air and sunlight
Warning Coloration
allows experienced predators to recognize dangerous prey
Importance of Flow Rate in aquatic environments
allows/disallows sediments to settle affecting organisms
Human Impact on Invasive Species
almost always spread by human activity due to increase of activities such as tourism and trade
Major reservoir for Nitrogen
atmosphere
The major reserves of nitrogen and sulfur in the biosphere are correctly identified by
atmosphere for N and rocks for S
The most economically important fish affected by hydroelectric dams is
salmon
The large net used for catching fish in the wetland is called a
seine net
Ecological Succession
series of gradual changes that occur in a community following a disturbance
Most reservoirs hold nitrogen for relatively ________ periods of time
short
Major reservoirs for Carbon
sinks (ocean, soil, plants)
Tragedy of the Commons
situation in which people acting individually and in their own interest use up commonly available but limited resources, creating disaster for the entire community
Renewable Energy Sources
solar, wind, biomass, geothermal, hydroelectric
Fossil fuels
solids, liquids, and gases created through the compression of ancient organic plant and animal material in the Earth's crust
Interspecific Competition
species compete for a limiting resource
Nonnative species
species that are transported geographically to an unknown area
Indicator Species
species that serve as early warnings that an ecosystem is being damaged due to their sensitivity to change
Pollution is considered an external cost when
the cost to the environment is not reflected in the price of the products that produce the pollution
The lower the water temperature
the greater the DO
A sustainable society would emphasize
using energy efficiently and reusing and recycling matter
Ocean Acidification
when CO2 dissolves in seawater, it reacts with water to form carbonic acid, which lowers ocean pH
Physical Procedure
wind test/water color test/turbidity test/air/water temp test/flow test/daily precipitation
Population Change =
(births+immigration)-(deaths+emigration)
Gimme Questions
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I-II. The Living World: Ecosystems + Biodiversity
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III. Population
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IV. Earth Systems + Resources
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IX. Global Change
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StreamWatch Topics
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V. Land + Water Use
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VI. Energy Resources + Consumption
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VII-VIII. Pollution
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The half life of radon gas is 4 days. What fraction is remaining after 4 weeks?
1/128
Soils in mid-latitude grasslands would have
A deep layer of humus and decayed plant material
Commensalism
A relationship between two organisms in which one organism benefits and the other is unaffected
El Nino Southern Oscillation
A reversal of wind and water currents in the South Pacific
Stratospheric Ozone Depletion
An issue where ozone is broken down faster than it can be built up by CFCs. Global Agreement to decrease ODC - Montreal Protocol (1987)
increases when fossil fuels are burned
Atmospheric CO2
The maximum number of species that can be sustained in an ecosystem
Carrying Capacity
What federal law specifically deals with the cleanup of abandoned hazardous waste sites?
Comprehensive Environmental Responsibility and Liability Act(CERCLA)
What pesticide was banned due to its accumulation in wildlife?
DDT
Food Chains
Energy links between different organisms in an ecosystem based on feeding habits
Human Impact on Biodiversity
Habitat destruction, invasive species, pollution, population, exploitation
r-Selected Species
Life history traits maximize reproductive success in uncrowded environments. Many small offspring that mature quickly, little if any parental care.
K-Selected Species
Life history traits sensitive to population density. Small number of large offspring, extensive parental care, repeated reproduction
Unintentional exploitation of another species as a result of traits obtained through natural selection
Mutualism
What is managed on a multiple-use basis?
National resource lands
The soil layer that contributes organic material to topsoil is the ______ horizon
O
Reservoirs of Water on the Earth's Surface
Oceans, Icecaps, groundwater
Acid Rain
Rain containing acids that form in the atmosphere when industrial gas emissions (especially sulfur dioxide and nitrogen oxides) combine with water
Global Energy Consumption
Richest countries consume nearly 80% of all commercial energy despite having only 20% of the population Experts predict that by 2035 emerging countries such as China and India will consume 60% of commercial energy
Specialist Species
Species with a narrow ecological niche, may be able to live in only one type of habitat, tolerate only a narrow range of climatic and other environmental conditions, or use only one type or a few types of food: pandas, koalas
Bioaccumulation
The accumulation of a substance, such as a toxic chemical, in various tissues of a living organism
Total Fertility Rate
The average number of children born to a woman during her childbearing years
Aquaculture
The cultivation of seafood under controlled conditions
Trophic Levels
The hierarchical levels of the food chain through which energy flows
Sustainable Forestry
The practice of managing forest resources to meet the long-term product needs of humans while maintaining the biodiversity of forested landscapes
Ecosystem Services
The process by which natural environments provide life-supporting resources
Clearcutting
The process of cutting down all the trees in an area at once
What type of Plate Boundary is this?
Transform Boundary
Erosion and desertification
Two major effects of overgrazing
What describes the heat island effect?
Urban areas trap more heat than rural areas do
La Nina Effect
a change in the eastern Pacific Ocean in which the surface water temperature becomes unusually cool
Carbon Dioxide
a colorless, odorless gas produced by burning carbon and organic compounds and by respiration. It is naturally present in air and is absorbed by plants in photosynthesis
Thermal Inversion
a condition that occurs when warm air traps cooler, dense air at the surface of the earth
Dose Response Curve
a graph of the magnitude of an effect of a drug as a function of the amount of drug administered
Global warming works a lot like
a greenhouse
Keystone Species
a species that influences the survival of many other species in an ecosystem
Food Webs
a system of interlocking and interdependent food chains
Zebra Mussels
an introduced alien species in the Great Lakes
Noise Pollution
any noise that causes stress or has the potential to damage health
Sources of Carbon
any process in which a greenhouse gas is released into the atmosphere
Terrestrial Biomes
biomes on land (forests, taiga, tundra, etc.)
Overfishing
capturing fish faster than they can reproduce
Greenhouse Gases
carbon dioxide, methane, nitrous oxide, water vapor, and ozone in the atmosphere which are involved in the greenhouse effect
Carbon Cycle
carbon in CO2 is incorporated into plants by photosynthesis, then into animals by consuming organisms, and returned to the air as CO2 from respiration, cellular carbon is returned to the soil through waste and dead organism decay
Biogeochemical Cycles
carbon, nitrogen, phosphorous, hydrologic
Importance of pH in aquatic environments
change greatly hurts wetland functionality and organism survival
What is an ecosystem called when it reaches its final stage of balanced species development?
climax community
In the Northern Hemisphere, ocean gyres flow in what direction?
clockwise
Radon
colorless, odorless gas that is a naturally occuring decay product of uranium
Asbestos
composed of fibers known to cause lung disease
How to calculate Stream Index
count the number of species in each tolerance group and weight the number
What best illustrates the tragedy of the commons?
depletion of an aquifer by regional farmers
Nuclear Fuels
derived from radioactive materials that give off energy
Consumption of mosquitoes by bats and the control of flooding provided by tropical forests are examples of
ecosystem services
What has a late loss survivorship curve?
elephant
Formaldehyde
emitted from most manufactured building materials and furniture
What is a major goal of reintroduction of gray wolves into Yellowstone?
enable the removal of the gray wolf from the endangered species list
Alligators in a lake polluted by dioxins have low testosterone. Dioxin may be considered an
endocrine disruptor
Biomass
energy produced by burning organic matter, such as wood, food scraps, and alcohol
Positive Feedback Loop
enhances/amplifies change and strays things from their equilibrium: childbirth
Effects of Mining
erosion, formation of sinkholes, loss of biodiversity, and contamination of soil, groundwater and surface water by chemicals
Importance of nitrate in aquatic environments
essential plant nutrients, excess leads to eutrophication
What is the primary source of nitrates and phosphates in the wetland?
fertilizer runoff
Nonrenewable Energy Sources
fossil fuels, nuclear energy, oil, natural gas
Lead
found in old plumbing pipes and fixtures and some ceramic glazes
Aquatic Biomes
freshwater and marine biomes
CAFE standards refer to
fuel efficiency
Natural Disruptions to Ecosystems
have environmental consequences that may be as great as or greater than many human-made disruptions
Sick building syndrome
headaches, allergies, chronic fatigue and other symptoms caused by poorly vented indoor air contaminated by pathogens or toxins
when logging is carried out in a watershed, a likely effect on the local streams is
increased water temperature
Negative Feedback Loop
increases stability and brings things towards their equilibrium: thermoregulation
Rachel Carson's contribution to the environmental movement
increasing public awareness of the risks of pesticides
Importance of Turbidity in aquatic environments
indicative of suspended sediments that may be harmful to wildlife
The three main anthropogenic sources of gaseous air pollutants in the United States
industry, transportation, and energy production
The biggest advantage of nuclear energy generation is that
it doesn't generate greenhouse gases
Forest Quadrat Procedure
leaf litter depth/topsoil depth/soil observations/species observed
LD50
lethal dose (of a toxin) for 50% of the test population
Gaia Hypothesis
life manipulates the environment for the maintenance of life
Importance of Water Color in aquatic environments
light penetration
Mimicry
looking or acting like a different, more deadly form of prey allows species to avoid predation
Acid rain would be evidenced by
low pH
Clay
low permeability, high porosity, thick
Theory of Island Biogeography
more species colonize islands close to the mainland, more species colonize larger islands
Population size will increase if
most of its individuals are in or about to enter the reproductive stage
Population size will decrease if
most of its individuals are in the post-reproductive stage
Ground-level ozone in most major US cities results primarily from
motor vehicle exhaust
Types of Symbiosis
mutualism, commensalism, parasitism
Darwin's Evolution Theory
natural selection, shows nature vs. nurture
Coevolution
nature's way of sustainability through population control, promotes biodiversity
Phosphorus Cycle
never a gas, it is stored in the ground: plants pick it up in their roots, animals eat the plants, humans eat plants/animals, dead animals/feces put it back in the earth
Chemical Procedure
nitrate test/DO test/pH test/phosphate test
Nitrogen Cycle
nitrogen fixation, nitrification, assimilation, ammonification, denitrification
Competitive Exclusion Principle
no two species can occupy the same niche in the same habitat at the same time
Ocean Warming
oceans absorb heat along with CO2
Resource Partitioning
one of the ways species evolve to reduce niche overlap
10% Rule
only about 10% of energy is transferred from one trophic level to the next
Effects of Urbanization
overcrowded cities, unsafe transportation, poverty, fires, unsanitary conditions, pollution
Promote biodiversity by keeping host populations in check
parasites
City heat islands cause
pollutants to collect
Chemical Warfare
protection by poison, irritation, foul smells, bad taste
Importance of dissolved oxygen in aquatic environments
provides oxygen to aquatic organisms, indicates water quality
Which of the following would have the biggest impact on global sustainability?
reducing human population size
An integrated pest management approach would emphasize
reduction of crop damage to an economically tolerable level
Importance of Temperature in aquatic environments
regulates biogeochemical cycles
Sources _______ more carbon than they ________
release, absorb
Methods to Reduce Urban Runoff
replacing traditional pavement with permeable pavement, planting trees, increased use of public transportation, and building up, not out
Major reservoirs of Phosphorus
rocks + sediments that bear certain minerals
Generalist Species
species with a broad ecological niche, can live in many different places, eat a variety of foods, and tolerate a wide range of environmental conditions: flies, cockroaches, mice, rats, human beings
Importance of phosphate in aquatic environments
stimulates plant growth, limiting nutrient
Prior to mine reclamation laws, mine drainage and acidic runoff from coal tailings were toxic byproducts of
strip mining
Inorganics
substances without carbon
Energy Flow
the passage of energy through the components of the ecosystem
Ecological Tolerance
the range of conditions, such as temperature, salinity, flow rate, and sunlight that an organism can endure before injury or death results
Primary Productivity
the rate at which organic material is produced by photosynthetic organisms in an ecosystem
Losses of usable energy between successive trophic levels in an ecosystem are best accounted for by
the second law of thermodynamics
Theory of Island Biogeography
theory that demonstrates the dual importance of habitat size and distance in determining species richness
Population size will remain stable if
there is fairly even distribution among the three stages
Forest Transect Procedure
tree species/height/circumference
The unit JTU is a measurement of
turbidity
Human Impact on Endangered Species
unsustainable hunting and harvesting that cause mortality at rates that exceed recruitment of new individuals, land use practices like deforestation, urban and suburban development
Nuclear power is commonly generated using the element
uranium