27 Jun Ecology Multiple Choice Questions Set
Question
76. The two most important factors that determine an area’s climate are temperature and wind
temperature and precipitation
precipitation and light
light and temperature
wind and light
77. Deep lakes with steep banks that have a small supply of plant nutrients are oligotrophic lakes
eutrophic lakes
culturally eutrophic lakes
hypereutrophic lakes
mesotrophic lakes
78. The most effective water heater is an electric water tank
is a gas water heater
is an oil water heater
is a tankless instant water heater fired by natural gas
is a propane water heater
79. One-third of the human food supply comes from plant that are pollinated by bats
birds
insects
wind
mammals
80. The direct threat of climate change to marine habitat is increase in carbon storage in oceans
spread of tropical diseases
decreased salinity of water
rising sea levels
UV radiation from ozone depletion
81. The greatest marine biodiversity is located in the bottom region of the ocean
in the surface region of the ocean
in the coastal region of the ocean
in the open ocean
in coral reefs
82. It is necessary to use energy to get energy. The difference between what you get and what you use to get it is called gain
loss
gross energy
profit
net energy
83. An old-growth forest would be defined as a commercial forest older than 30 years
a forest undisturbed for at least 50 years
a second-growth forest undisturbed for at least 100 years
a re-planted forest that has had little disturbance for 100 years
an uncut or regenerated primary forest undisturbed for several hundred years
84. Which of the following is NOT one of the external geologic processes driven by energy from the sun? formation of mountains
wind erosion
weathering
water erosion
glacial erosion
85. The dimly lit zone in which zooplankton and smaller fishes predominate, is the abyssal zone
euphotic zone
estuary zone
bathyal zone
benthic zone
86. Forests cover about _____ % of the U.S. land area. 10
15
25
30
50
87. The continuous, low level extinction of species that has occurred since the beginning of life on earth is called continual extinction
mass extinction
background extinction
local extinction
biological extinction
88. Which of the following countries has a significant whaling industry and whale meat market? United States
Australia
Great Britain
Japan
China
89. The most important factor in determining which biome is found in a particular area is soil type
topography
geology
climate
landforms
90. The root cause of food insecurity is war
political upheaval
poverty
corruption
climate change
91. The location on the earth’s surface above where an earthquake begins is called its apex
focus
magnitude
epicenter
fault
92. The world’s single largest cause of illness is malaria
typhoid
mosquitoes
poor health
unsafe drinking water
93. The middle, partially melted zone of the interior of the earth is called the crust
tectonic plate
core
mantle
magma
94. Which part of the earth’s crust makes up 71% of the crust? oceanic crust
asthenosphere
lithosphere
continental crust
geosphere
95. Which of the following describes a local area’s short-term temperature, precipitation, and humidity? climate
weather
rainshadow
thermal inversions
wind patterns
96. Approximately _____ of the commercial energy used in the U.S. is wasted 25%
58%
65%
78%
84%
97. In 2008 approximately 36% of the commercial honeybee colonies in the U.S. were lost due to? habitat loss
climate change
hybridization with African honey bees
colony collapse disorder
pesticide use
98. It takes approximately ____ barrels of water to produce one barrel of shale oil 1
2
5
10
25
99. Prevailing winds are the result of what? temperature
direction the sun strikes the earth
rotation of the earth on its axis
ocean currents
sun storms
100. Which of the following refers to the ability of a living system to be restored after a period of moderate disturbance? stability
inertia
constancy
stability
resilience
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