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biol exam 3
biol exam 3
80
Biology
Undergraduate 2
05/09/2013

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Term
What is a biological invader?
Definition
Invasive species: Alien species
that may cause environmental
harm by
1)Establishing a new home
range and reproduce and….
2)Spread throughout their new
home range & persist to
become environmentally
detrimental.
Term
What is a consequence of invasive species on native plant species?
Definition
Alter important nutrient cycling.
Affect hydrology (water flow).
Disrupt ecosystem processes.
Compete with natives.
Term
How are oceans impacted by invasive species?
Definition
Global movement of organisms associated with ocean-going vessels and commercial fisheries
Changes biodiversity and distribution of marine organisms along coastlines.
Term
what are the characteristics of invasive plants?
Definition
Propagules (seeds & spores) dispersed by animals, wind or water.
High reproduction. Lots of seeds produced each year.
Rapid growth rate.
Maturation reached
quickly.
Significant defense
mechanisms.
Term
Why are invasive species successful in new environments?
Definition
Free of predators, competitors, diseases and parasites that limited their populations in natural habitat.
Exploits resources in novel ways (more resources for growth and reproduction).
Term
What is a naturalized plant?
Definition
An established selfperpetuating population.
widespread dispersal & incorporation into native flora/ecosystem
Term
Why is Hawai’i particularly at risk from biological invaders?
Definition
Honolulu is an international, port city.
About 7-9 million tourists visit annually.
Import 80% of consumed goods.
Term
What is the most common way alien plants are introduced to Hawai’i today?
Definition
Ornamental plant trade (70% of Hawaii’s alien plants).
Wooden pallets carrying wood boring insects.
Yearly imports of Christmas trees.
Term
Biodiversity is defined as:
Definition
Number & variety of organisms found within an area
Term
75% of Hawaii’s flowering plant species arrived by:
Definition
Birds (Wing) (internally or externally)
Term
Hawaiian honeycreepers primarily differ by the shape and size of their:
Definition
bills
Term
The process whereby many species evolve from a single species is called
Definition
adaptive radiation
Term
There are about _____ native flowering plant species in Hawaii and a thousand introduced ones that are now naturalized (reproducing naturally).
Definition
980 total native flowering plant species
Term
Native habitats in Hawaii have been lost due to:
Definition
Crop lands
Cattle grazing
Feral animals (Cattle Pigs Goats Sheep Deer)
Urbanization
Term
Alien species may be controlled by:
Definition
Fencing
Biological
control
Weeding
Herbicide
Hunting
Term
Native species that are only found in Hawaii are _____, while those found elsewhere are _______.
Definition
endemic (found only here)
and indigenous (here and elsewhere)
Term
Biologist tried to attract the rare Kauai o’o by using a _______.
Definition
tape recorder with the bird song
Term
The Hawaiian carnivorous caterpillar turned into a _____.
Definition
moth
Term
Who won the battle between the ant and the carnivorous caterpillar?
Definition
The ant won the battle.
Term
Species extinctions were describe in the movie as
Definition
popping rivets on spaceship Earth.
Term
Biologist are pollinating plants on Molokai’s sea cliffs because what pollinator has gone extinct?
Definition
The moth is the pollinator that has gone extinct.
Term
Of all the scourges of the Native Hawaiian rain forest, the worst one is _______.
Definition
the feral pigs
Term
Approximately ______ feathers were used to make feather cloaks.
Definition
80,000 feathers
Term
What percentage of Native Hawaiian Birds are extinct?
Definition
70% are extinct
Term
Why is conservation biology described as a “crisis discipline?”
Definition
Emerged in the 1980’s as response to biodiversity crisis.
Analogous to study of AIDS in epidemiology.
Term
The Endangered Species Act was created in
Definition
1973
Term
Listing species as Endangered is based upon:
Definition
Decision is to be based on best scientific data available and not economics.
Listing of critical habitat decision can be based on economics.
Term
IUCN stands for
Definition
International Union for the Conservation of Nature and Natural Resources.
Term
Conservation biology is considered a synthetic field because
Definition
it is a mixture of applied theoretical fields.
Term
A species that is likely to become endangered in the near future is called
Definition
threatened.
Term
What is the IUCN Red List?
Definition
It’s a list of threatened species put out by the IUCN.
Term
What is likely to become the greatest environmental problem of next century?
Definition
Fresh water supply being altered by:
Pollution
Forests and wetlands destroyed.
Global weather patterns changed.
Term
The greatest cause for increase CO2 concentration in the atmosphere is:
Definition
Fossil fuel burning accounts for 75%
of increase.
Term
One of the biggest concerns associated with sea level rise is:
Definition
Sea levels rise (between 4”and 8” in last hundred years).
Impact coast land throughout world.
High population coastal areas at risk! (Shanghai, Bangkok, Jakarta, Tokyo and New York)
Term
The Greenhouse effect results in:
Definition
Climate change and global warming
Term
The major problems associated with ozone depletion are:
Definition
UV-B radiation known to cause:
Can cause deadly mutations, e.g. thymine dimers: T-T).
Skin cancer.
Cataracts.
Suppression of immune system.
Term
Global warming will adversely affect crop production by:
Definition
Will impact crop planting location and yield.
Term
The major greenhouse gases include:
Definition
Carbon dioxide: burning fossil fuels
Methane: rice paddies, cattle, termites
Nitrous oxides: fossil fuels, fertilizers
Chloroflurocarbon (CFC): Air conditioner, refrigerator
Halons: fire extinguishers
Term
Global warming and ozone depletion are related problems because:
Definition
Warming temperatures contribute to the ozone-destroying chemical reactions in the atmosphere
Term
The Montreal protocol:
Definition
(1987) 44 countries signed
international treaty to limit use
of CFCs
reduce it by 50% by 1999
and agreed to entirely ban
CFC & halons by 2000 (2010 in
developing countries)
Term
What are the three main types of fossil fuels?
Definition
petroleum, natural gas and coal
Term
Which fossil fuel is primarily used globally to produce electricity?
Definition
Coal
Term
Nearly all of Hawaii’s electricity is produced by
Definition
Burning oil (85%)
Term
_______ is the cleanest of fossil fuel.
Definition
Natural gas
Term
Nuclear power releases energy by ______ which occurs when atoms are split.
Definition
fission
Term
What is the half life of radioactive materials?
Definition
Half-life is time it takes for 50% of radioactive material to decay.
Term
What are the greatest challenges facing the use of nuclear energy.
Definition
High cost to build
Catastrophic accidents can happen.
No acceptable means of disposable radioactive waste.
Spreads knowledge for building nuclear weapons.
Term
Which 3 countries are the greatest consumers of oil in the world?
Definition
1.US
2.China
3.Japan
Term
The organisms from which oil and natural gases were derived, in the seas, were ______.
Definition
algae
Term
Since 1860 geologists have discovered over 2 trillion gallons of oil. Since then the world has used approximately ____.
Definition
half
Term
Shell Geophysicist, M.King Hubbert predicted in the 1950's that America's oil production would peak in _____ and then enter into a permanent decline
Definition
1970
Term
Globally, discovery of oil peaked in the ____.
Definition
1960s
Term
At the present rate in which we are using oil, the world will need to bring the equivalent of a new Saudi Arabia into production, every ____ years to make up for the declining output in existing oil fields.
Definition
3
Term
In the 1960's, 6 barrels of oil was found for every one that was used. Four decades later, the world consumes between ______ barrels of oil for every 1 that it finds.
Definition
3-6
Term
Nitrogen run offs by fossil fuel based fertilizers poisoned rivers and seas creating enormous dead zones. At this rate, all fish population are projected to collapse by _____.
Definition
2048
Term
Many new technological advancements for consumers will consume resources rather than saving resources. Presently, 97% of the world's rare earths for such advancements are produced only from a single locality in
Definition
Mongolia, China
Term
Which of the following are sources of renewable energy?
Definition
Biomass, Solar, Water, Wind, Geothermal
Term
What are some disadvantages of solar energy?
Definition
Works only during day.
Not very efficient.
Expensive
Term
_______ cells directly converts solar energy into electricity.
Definition
Photovoltaic
Term
Which of the following are concerns for the use of geothermal energy?
Definition
Can only use where available and
drilling known to cause minor
earthquakes.
Term
Why is ethanol an undesirable biomass fuel?
Definition
Non-sustainable:
Food crop and land used for fuel instead of food.
Very low EROI = 1.5:1.
Term
What is the Clean Air Act of 1990?
Definition
Ethanol is
fermentation product added to
gas to reduce emissions (any
car can run on up to 10%
ethanol)
Term
What is the process of producing hydrogen gas from water called?
Definition
Electrolysis
Term
Why should we use renewable rather than non-renewable energy sources?
Definition
Non-renewable resources will be used up and are harmful to environment.
All renewable energy source can provide electricity, heat water & air and fuel for vehicles.
Efficient and some inexhaustible.
Term
Of all the water on earth how much is liquid freshwater?
Definition
2.5% is fresh water.
0.77% is accessible fresh, liquid water.
Term
What is the great pacific Garbage Patch?
Definition
a collection of marine debris in the North Pacific Ocean
Term
________ is the largest use of fresh water globally
Definition
Agriculture
Term
How long does it take to recharge water in Oahu’s aquifer?
Definition
25 years
Term
Waste water treated to a level suitable for non-drinking purposes is called:
Definition
Recycled Water
Term
______ occurs when the availability of potable clean water is below the demand for the region.
Definition
Water crisis
Term
Countries where ground water aquifers are being depleted include:
Definition
United States, China, India,
Mexico, Pakistan and Egypt
Term
Melting glaciers in the Himalayan mountain range due to global warming could impact 2.5 billion
Definition
first by flooding, followed by drought.
Will affect grain production and
food security in region.
Term
What is Ergot of Rye?
Definition
a fungal plant pathogen of rye
Term
Linnda Caporael believed that the incidents that led to the Salem witch trial of 1692 was due to:
Definition
victims that were “bewitched” actually suffered from ergotism because
Weather conditions optimal for ergot growth on rye
Term
What is Holy Fire or St Anthony’s Fire?
Definition
Gangrenous Ergotism (gangrene)
Term
The acronym LSD stands for:
Definition
LysergSäureDiethylamid, German name of Lysergic Acid Diethylamide.
Term
Albert Hofmann was:
Definition
synthesized LSD-25, in 1938, from ergot
Term
MKULTRA was:
Definition
Tested every type of drugs imaginable.
CIA discovered LSD as a truth-inducing drug, testing it on civilian and military personnel as result of Werner Stoll’s 1947 article
Term
Acid Rock is thought to:
Definition
Music that attempted to simulate LSD experience.
Also known as psychedelic music.
Term
LSD had a role in changing society in the following way:
Definition
Psychiatric research.
Psychotherapy.
CIA usage as a truth inducing drug.
Recreational drug
(fashion, music, youth culture, hippies, counterculture??)
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