In a lake, the epilimnion is the:
environment found close to shore in a lake
environment found at the lake bed
lower, colder layer
upper surface layer
Which of the following describes organisms in a pelagic zone?
plankton floating near the ocean surface
bottom-dwellers on the ocean floor
barnacles glued to stone in an intertidal zone
frogs in a pond close to the pond's edge
Which of the following is NOT an example of secondary succession?
farmland is abandoned
a forest is clear cut
a lava flow covers the landscape
a wildfire burns away the vegetation on a hillside
Phosphate ions are primarily made available to organisms through:
combustion of fossil fuels
decomposition of plants
evapotranspiration
weathering of rocks
The rigid, outer layer of Earth is referred to as the asthenosphere.
True
False
In commensalism, one species benefits and the other neither benefits nor is harmed.
True
False
Increases in greenhouse gases cause increases in global temperature because these gases are able to trap heat reradiated from Earth's surface.
True
False
___ is a scientific discipline that develops practical approaches to prevent extinction of species and destruction of ecosystems.
Ecology
Environmentalism
Conservation Biology
Biogeography
environment found close to shore in a lake
environment found at the lake bed
lower, colder layer
upper surface layer
Which of the following describes organisms in a pelagic zone?
plankton floating near the ocean surface
bottom-dwellers on the ocean floor
barnacles glued to stone in an intertidal zone
frogs in a pond close to the pond's edge
Which of the following is NOT an example of secondary succession?
farmland is abandoned
a forest is clear cut
a lava flow covers the landscape
a wildfire burns away the vegetation on a hillside
Phosphate ions are primarily made available to organisms through:
combustion of fossil fuels
decomposition of plants
evapotranspiration
weathering of rocks
The rigid, outer layer of Earth is referred to as the asthenosphere.
True
False
In commensalism, one species benefits and the other neither benefits nor is harmed.
True
False
Increases in greenhouse gases cause increases in global temperature because these gases are able to trap heat reradiated from Earth's surface.
True
False
___ is a scientific discipline that develops practical approaches to prevent extinction of species and destruction of ecosystems.
Ecology
Environmentalism
Conservation Biology
Biogeography
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1.B 2.B 3.A 4.C 5.True 6.False 7.True 8.C