A) Asking several different hypotheses at once.
B) Testing both biotic and abiotic factors.
C) Finding different species for experiments.
D) Performing experiments several times.
E) Having a well defined time frame for experiments.
G) B) and E)
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A) cooling of the land.
B) rising masses of warm air, and sinking masses of cool air.
C) CO2 production by trees.
D) sea surface temperature.
E) winds blowing off of the world's major mountain chains.
G) B) and D)
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B) False
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A) from the tropics.
B) species moved by humans from a native location to another location.
C) species moved by natural forces from a native location to a new location.
D) from the tropics and species moved by humans from a native location to another location.
E) from the tropics, species moved by humans from a native location to another location, and species . moved by natural forces from a native location to a new location.
G) A) and C)
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B) False
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False
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B) False
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A) between organisms.
B) between organisms and the environment.
C) usually mutually costly.
D) most important in tropical ecosystems.
E) rare.
G) B) and C)
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A) a type of shrubland/grassland.
B) a type of forest.
C) restricted to serpentine soils.
D) widespread in Africa.
E) distinguished by tall trees.
G) B) and E)
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A
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A) behavioral ecology.
B) environmental science.
C) biological control.
D) community ecology.
E) physiological ecology.
G) C) and D)
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A) They leave the shelter of the reef.
B) Corals release water at higher temperatures.
C) Symbiotic algae living within corals are expelled.
D) The metabolic optimum can adapt.
E) Corals are more pigmented at higher temperatures.
G) B) and E)
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A) deforestation
B) new predators
C) climate change
D) introduced species
E) All of the choices are correct
G) B) and C)
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A) wind and water.
B) water and soil type.
C) salts in the soil.
D) low temperatures and high winds.
E) high temperatures and high winds.
G) C) and D)
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A) secretion of allelochemicals.
B) producing more viable seeds.
C) producing seeds year-round.
D) avoiding grazing animals.
E) faster seed germination.
G) C) and D)
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A) counterclockwise
B) clockwise
C) north to south
D) south to north
E) always from the tropics to the pole
G) A) and C)
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A) why water in a toilet bowl spins counter clockwise.
B) an explanation for climate patterns that links solar radiation and the spin of the Earth.
C) one of the reasons for the extinction of the Panamanian golden frog.
D) why water in a toilet bowl spins counter clockwise and an explanation for climate patterns that links solar radiation and the spin of the Earth.
E) Only important in southern hemisphere forests on the western sides of mountains.
G) B) and C)
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A) The effect of rainfall on windward side of a mountain.
B) The influence of polar air masses on tropical mountains.
C) Increasing elevation leads to a decrease in air pressure and cooler air.
D) The influence of sinking cooler air in a Hadley cell.
E) The enhanced cooling caused by cloud cover at higher elevations.
G) B) and C)
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A) areas in which temperatures do not drop below freezing.
B) the availability of water year round.
C) the presence of pollinating insects.
D) proximity to coastal environments.
E) the frequency of low-intensity fires.
G) A) and D)
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A
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B) False
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A) all members of a species.
B) all organisms found in an environment.
C) metacommunities.
D) families.
E) groups of interbreeding populations.
G) A) and E)
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A) their high diversity relative to other forests.
B) their abundance of large mammals relative to other forests.
C) high temperatures relative to other forests.
D) their high diversity relative to other forests and high temperatures relative to other forests.
E) their high diversity relative to other forests, their abundance of large mammals relative to other forests, and high temperatures relative to other forests.
G) All of the above
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