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Quiz #12 Ch. 33, 54, 55, 57, 58, & 59
Answer 10 questions only!
Name_____________
1) Which of the following is not a characteristic of 5) Which of the following factors would be most
deuterostomes?
conducive to conducting a full census of a
population?
A. Radial cleavage
A. Small body size of the individuals in the
B. Three germ layers including the ectoderm,
population
mesoderm, and endoderm
B. Relatively stationary individuals
C. A blastopore that becomes the anus
C. A large population
D. Greater number of species than the
protostomes
D. Both a and b
E. Well-developed coelomic body cavities in most E. None of the above
of them
6) Which of the following statements about age
2) Which of the following did not occur in both the structure is true?
protostomes and deuterostomes?
A. All other factors being equal, populations with
a large proportion of young individuals have a
A. Evolution of structures for filtering food from
water
greater potential for population growth than
those with a smaller proportion of young inds.
B. Evolution of wormlike burrowing forms
C. Evolution of adaptations needed for invasion of B. All other factors being equal, populations with
a large proportion of young individuals have a
the land
lesser potential for population growth than
D. Evolution of large terrestrial species
those with a smaller proportion of young inds.
E. Evolution of jointed appendages for improved
C. The proportion of the life cycle in which
locomotion
females are reproductively capable varies
tremendously across different species.
3) Which of the following would be considered a
D. Both a and c
biotic factor in the environment?
A.
B.
C.
D.
E.
The presence of parasites
pH
Salinity
Temperature
All of the above
4) Which of the following statements about
climates is true?
A. On average, regions near the equator receive
substantially more hours of sun each year than
do regions near the 45° latitudes.
B. The rate at which solar energy arrives on any
surface depends on the angle of the sunlight.
C. There is no difference between “weather” and
“climate.”
D. Air temperature increases with increasing
elevation.
E. None of the above
7) Individuals of a population that are all born at
the same time are known as a
A. survivorship.
B. cohort.
C. population structure.
D. demographic pool.
E. None of the above
8) Which of the following statements about air
temperature is true?
A. Warm and cold air are equally dense.
B. Cold air is denser than warm air, and thus will
rise.
C. Cold air is denser than warm air, and thus will
sink.
D. Warm air is denser than cold air, and thus will
rise.
E. Warm air is denser than cold air, and thus will
sink.
Quiz #12 Ch. 33, 54, 55, 57, 58, & 59
Answer 10 questions only!
9) The species that live and interact in a given area
constitute an ecological
A. biome.
B. family.
C. food web.
D. community.
E. trophic level.
10) Which of the following is a primary producer?
A. Spider
B. Earthworm
C. Oak tree
D. Human
E. None of the above
11) The number of trophic levels in most
communities is limited by
A. the presence of decomposers.
B. predation.
C. competitive exclusion.
D. succession.
E. the loss of energy between trophic levels.
12) Oxygen makes up approximately _______
percent of Earth's atmosphere.
A. 5
B. 20
C. 50
D. 80
E. 90
13) The layer of Earth's atmosphere that is closest
to the surface is called the
A. stratosphere.
B. upwelling zone.
C. troposphere.
D. greenhouse gas layer.
E. ozone layer.
Name_____________
14) The _______ rate of absorption of carbon
dioxide in the oceans is causing them to become
more _______.
A. decreasing; acidic
B. decreasing, alkaline
C. decreasing; productive
D. increasing; acidic
E. increasing; productive
15) Which of the following is not a basic guiding
principle of conservation biology?
A. Evolution is the process that unites all of
biology.
B. The ecological world is dynamic.
C. Human beings are part of ecosystems.
D. There is a static balance of nature that serves as
a goal for conservation efforts.
E. All of the above are basic guiding principles.
16) Which of the following statements about the
value of biodiversity is false?
A. More than a quarter of medical prescriptions
either contain or are based on plant products.
B. Species loss can damage the functioning of
ecosystems.
C. A wide variety of microbes increase the
nutritional value of food.
D. All of the above are true