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The subject of ESRM100 is _______ ( answer this correctly as it will be graded).
A) underwater basket weaving
B) environmental science
C) advanced soil physical chemistry
D) chemical thermodynamics |
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Nearly two-thirds of all the wood produced in the world is used for
A) furniture
B) paper
C) firewood
D) lumber |
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A natural, important ecological function of forests is:
A) silviculture
B) release of methane
C) maintaining watersheds
D) erosion |
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Nitrogen is needed to manufacture which two important biological compounds ?
A) sugar and starch
B) proteins and water
C) proteins and DNA
D) DNA and sugar |
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A scientist who first sounded the alarm about the growth of the human population and the ability of the earth to handle a large population of humans was
A)Thomas Malthus
B)Paul Ehrlich
C)Charles Darwin
D)Rachel Carson |
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Carrying capacity refers to:
A) the maximum weight that can be put on a vehicle or machine
B) the maximum number of individuals that can be supported by an ecosystem
C) the amount of a mineral resource that can be recovered economically from a mine
D) the nutrient value of a food source |
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Autotrophs are:
A)primary producers
B) decomposers
C) whales
D) top predators |
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) How many species have been recovered in the US since the inception of the Endangered Species Act of 1973?
A) 2
B) 43
C) 430
D) 7600 |
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_________ founded the US Forest Service and practiced utilitarian conservation of forests.
A) Aldo Leopold
B) Gifford Pinchot
C) John Muir
D) none of the above |
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_________ founded the US Forest Service and practiced utilitarian conservation of forests.
A) Aldo Leopold
B) Gifford Pinchot
C) John Muir
D) none of the above |
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Tree growth rings are produced at the rate of _______per year.
A) one
B) two
C) three
D) five |
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What are the four major components of the environment?
A) atmosphere, lithosphere, hydrosphere, and biosphere
B) oceans, rivers, lakes and groundwater
C) rocks, soils, sediments, and water
D) plants, animals, air and water |
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Facilitation happens when
A) plants struggle to survive because of other species' growth
B) first plant species die off after new plants emerge
C) other species move in and overtake an area
D) first plant species prepare the way for other species' growth |
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Early succession plants are:
A) plants of small stature that grow slowly with seed that stays close
B) larger plants, that enter and begin to germinate the site
C) mature plants; often forests
D) low growing plants that are specifically adapted to unstable conditions of the physical environment |
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Strip cutting in a forest is:
A) the practice of cutting less desirable trees first, and later cutting mature trees
B) the practice of cutting all trees except for a few individual seed trees
C) the practice of cutting dead and less desirable trees later, and cutting mature trees first
D) the practice of cutting narrow rows of trees, leaving wooded corridors |
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Scientifically, ___________ is expressed as the number of species in an area.
A) biological diversity
B) biological evolution
C) genetic drift
D) natural selection |
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The function or important role of a species in an ecosystem is termed its
A) biome
B) ecosystem
C) habitat
D) ecological niche |
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Which of the following characteristics is known to make a species more vulnerable to extinction?
A) occupying a small ( localized) range
B) living on a continent
C) population less than 1 million
D) high reproductive success |
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The Tsunami of December 2004 killed over 150,000 people. With a world population growth rate of 1.4%, approximately 100,000 people killed by the tsunami were replaced in
A) one year
B) two weeks
C) less than a day
D) six months |
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A sustainable society
A) ensures that Earth's resources will remain adequate to support future generations
B) always uses resources but protects the quality of human life
C) harms the environment without causing economic hardship and social concerns
D) none of the above |
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When an ecosystem is disturbed by __________, changes occur in its biogeochemical cycling.
A) human activities
B) storms
C) fire
D) all of the above |
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A species upon which the entire ecosystem depends is called a(n):
A) mutualist
B) keystone species
C) niche
D) individual species |
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According to a post on the discussion list, one of the disadvantages of biofuels is that ____________.
A) they are more expensive
B) they produce more quantities of greenhouse gases
C) they actually pollute more
D) they burn less efficiently in modern cars |
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In developed countries, what percentage of people live in urban areas?
A) 25%
B) 45%
C) 75%
D) 95% |
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Biota is a general term used to describe
A) all living things
B) all non-living parts of the environment
C) factors that affect organisms
D) none of the above |
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According to a post on the discussion last, the new Seattle bag tax charges _______ cents per bag.
A) 20
B) 25
C) 30
D) 50 |
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Igneous rock is produced from all of the following except:
A) molten material
B) lava from volcanoes
C) internal heat from the tectonic cycle
D) weathered materials |
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Predators:
A) aid in limiting the population sizes of their prey
B) live in symbiotic relationships with other predators
C) control their own populations
D) increase the population sizes of their prey |
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Which of the following is NOT a way in which carbon dioxide enters the atmosphere?
A) through respiration of living things
B) burning fossil fuels
C) natural wildfires
D) photosynthesis |
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Term
Which of the following elements cycles quickly and is readily regenerated for biological activity?
A) phosphorus
B) calcium
C) magnesium
D) nitrogen |
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When species do not interact and succession does not take place, the result is
A) nitrogen fixation
B) chronic patchiness
C) interference
D) succession |
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Managing wildlife to keep populations at a constant level is not always successful because:
A) of increasing biodiversity
B) human dynamics
C) populations are naturally variable
D) none of the above |
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Which of the following elements is not essential for plant growth and function?
A) phosphorus
B) calcium
C) nitrogen
D) aluminum |
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The First Law of Thermodynamics states that:
A) energy can be created or destroyed by physical processes
B) entropy always increases
C) energy cannot be created or destroyed
D) energy transfer between organisms is inefficient and much energy is lost |
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Which of the following chemicals is most important in the transfer and use of energy within cells?
A) carbon
B) hydrogen
C) phosphorus
D) nitrogen |
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Environmental sustainability implies:
A) the actions of humans directly impact the well-being of the natural environment
B) future generations will have the resources necessary for a quality life
C) a shared global responsibility for conservation practices
D) all of the above |
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Which of the following parameters is/are necessary to describe exponential population growth?
A)carrying capacity
B)population size
C)juvenile death rate
D)time lag |
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A species in imminent danger of extinction throughout all or a significant portion of its range is said to be:
A) commercially extinct
B) endangered
C) threatened
D) invasive |
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As the 21st century began the global human population reached_________billion.
A) 3
B) 5
C) 6
D) 8 |
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The goal of restoration ecology is
A) successful restoration of a habitat to its natural state
B) returning damaged, degraded, or destroyed ecosystems to a functional, sustainable and natural environment
C) creating a strong balance between nature and humans
D) to keep humans from destroying ecosystems |
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