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BIOL 1442 PRACTICE EXAM 3
QUESTIONS WITH VERIFIED
SOLUTIONS
In Chapter 6 of The Sixth Extinction, Elizabeth Kolbert describes a variety of
different marine organisms, known as "calcifers". These species descend from
various branches on the tree of life, but one thing they all have in common is a
high level of susceptibility to - correct-answer - ocean acidification
Warmer air holds more moisture than colder air, resulting in stronger hurricanes
as the mean temperature of the ocean increases. It can also lead to further
warming because - correct-answer - water vapor itself is a greenhouse gas
A demographic pyramid with a narrow base indicates - correct-answer - a
population that is (or will soon be) in decline.
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A demographic pyramid with a broad base that quickly slopes up to a narrow is
likely to be - correct-answer - a developing nation
Which organism represents a secondary consumer? - correct-answer - dung
beetle
Blue mussels take up almost all of the space available on rocks in the intertidal
zone. Sea stars prey upon blue muscles, making room for other species to cling to
rocks. Based on this scenario, which statement is true? - correct-answer - Sea
stars are a keystone species because they exhibit a disproportionate influence on
the structure of the community relative to their abundance
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Uniform spacing patterns in plants such as the creosote bush are most often
associated with - correct-answer - competitive interaction between individuals of
the same population
The study of nutrient cycling though the environment is an example of which of
the following? - correct-answer - ecosystem ecology
What would happen to a temperate grassland biome without drought and/or
fires? - correct-answer - ecological succession
For most terrestrial ecosystems, pyramids composed of species abundances,
biomass, and energy are similar int hat they have a broad base and a narrow top.
The primary reason for this patter is that - correct-answer - at each step, energy is
lost from the system
BIOL 1442 PRACTICE EXAM 3
QUESTIONS WITH VERIFIED
SOLUTIONS
In Chapter 6 of The Sixth Extinction, Elizabeth Kolbert describes a variety of
different marine organisms, known as "calcifers". These species descend from
various branches on the tree of life, but one thing they all have in common is a
high level of susceptibility to - correct-answer - ocean acidification
Warmer air holds more moisture than colder air, resulting in stronger hurricanes
as the mean temperature of the ocean increases. It can also lead to further
warming because - correct-answer - water vapor itself is a greenhouse gas
A demographic pyramid with a narrow base indicates - correct-answer - a
population that is (or will soon be) in decline.
,2|Page
A demographic pyramid with a broad base that quickly slopes up to a narrow is
likely to be - correct-answer - a developing nation
Which organism represents a secondary consumer? - correct-answer - dung
beetle
Blue mussels take up almost all of the space available on rocks in the intertidal
zone. Sea stars prey upon blue muscles, making room for other species to cling to
rocks. Based on this scenario, which statement is true? - correct-answer - Sea
stars are a keystone species because they exhibit a disproportionate influence on
the structure of the community relative to their abundance
, 3|Page
Uniform spacing patterns in plants such as the creosote bush are most often
associated with - correct-answer - competitive interaction between individuals of
the same population
The study of nutrient cycling though the environment is an example of which of
the following? - correct-answer - ecosystem ecology
What would happen to a temperate grassland biome without drought and/or
fires? - correct-answer - ecological succession
For most terrestrial ecosystems, pyramids composed of species abundances,
biomass, and energy are similar int hat they have a broad base and a narrow top.
The primary reason for this patter is that - correct-answer - at each step, energy is
lost from the system
