Review A
62. The K-selection reproductive strategy maximizes survival of offspring by producing
(A) few offspring with high levels of parental care
(B) few offspring with low levels of parental care
(C) many offspring with high levels of parental care
(D) many offspring with low levels of parental care
(E) many offspring without parental care
(A) few offspring with high levels of parental care
63. Which of the following best describes the process of leaching?
(A) Water percolating through soil, dissolving some of its material
(B) The falling of acid precipitation from the atmosphere to Earth’s surface
(C) The use of chemicals to reduce the amount of E. coli in wastewater
(D) Rocks embedded in a glacier being carried downslope
(E) The use of drip irrigation on a crop of wheat
(A) Water percolating through soil, dissolving some of its material
64. The major reservoirs of nitrogen and sulfur in the biosphere are correctly identified by which of the following?
(A) Nitrogen and Sulfur from rocks
(B) Nitrogen from rocks; Sulfur from vegetation
(C) Nitrogen from rocks; Sulfur from atmosphere
(D) Nitrogen from atmosphere; Sulfur from rocks
(E) Nitrogen and Sulfur from atmosphere
(D) Nitrogen from atmosphere; Sulfur from rocks
SEE PACKET FOR DIAGRAM
65. The zone that has the greatest biodiversity
(A) A
(B) B
(C) C
(D) D
(E) E
(A) A
What element does the chemical symbol Au stand for?
GOLD
66. The zone in which species are adapted to the lowest light and the highest pressure
(A) A
(B) B
(C) C
(D) D
(E) E
(E) E
67. Which of the following is most likely to be the direct result of lack of genetic diversity in a food crop such as corn?
(A) Decreased kernel size
(B) Decreased potential yield
(C) Decreased dependence on chemical fertilizers
(D) Increased susceptibility on plant disease
(E) Increased resistance to pests
(D) Increased susceptibility on plant disease
68. Which of the following best shows the process of evolution?
(A) (B) (C) A lizard's color becomes brown as it sits on a log.
A bear goes into hibernation.
A plant loses its leaves in a drought.
(D) A population of mosquitoes develops resistance to a pesticide.
(E) A population of foxes increases as more prey becomes available.
(D) A population of mosquitoes develops resistance to a pesticide.
69. SEE PACKET
(D)
What is the smallest planet in our solar system?
Mercury
70. SEE PACKET
(A)
71. Of the following ecosystems, which has the lowestnet primary productivity, measured as kilocalories of energy produced per square meter per year?
(A) Taiga (boreal forest)
(B) Open ocean
(C) Temperature grassland
(D) Estuary
(E) Agricultural land
(B) Open ocean
72. Open oceans produce the largest share of Earth’s biomass because the net primary productivity (NPP) of the oceans IS
(A) (B) high and thus can support a high proportion of producers
high as a result of the high concentration of nutrients in the open oceans
(C) low, but the large expanse of the oceans supports enormous numbers of producers such as phytoplankton
(D) low, but the individual producers found there are huge in size
(E) low, but still higher than that of other ecosystems of the world
(C) low, but the large expanse of the oceans supports enormous numbers of producers such as phytoplankton
73. Which of the following can be used to assess the biological diversity of an area?
(A) Population size of each species and area occupied by each population
(B) Minimum population area and minimum viable population size
(C) Ratio of r-strategists to K-strategists and life expectancy of K-strategists
(D) Number of individuals under fifteen years old and number of individuals over sixty-five years old
(E) Genetic variation within each species and number of species present
(E) Genetic variation within each species and number of species present
What is the human body’s largest organ?
the skin
74. Which of the following best helps to explain why phosphorus is often a limiting factor in many ecosystems?
(A) There is usually a gaseous phase in the phosphorus cycle.
(B) Phosphorus cycles very quickly through environments.
(C) Under many conditions, phosphorus forms stable insoluble compounds.
(D) Phosphate is not readily taken up by plants.
(E) There are no anthropogenic sources of phosphorus.
(C) Under many conditions, phosphorus forms stable insoluble compounds.
75. The two major processes involved in the carbon cycle are
(A) weathering and erosion
(B) photosynthesis and respiration
(C) evaporation and transpiration
(D) erosion and deposition
(E) fixation and denitrification
(B) photosynthesis and respiration
76. The major biological source of dissolved oxygen in the ocean comes from
(A) decomposition of organic sediments on the ocean floor
(B) metabolic processes of coral in reefs
(C) oxidation of sulfur by bacteria in ocean vent communities
(D) photosynthesis by phytoplankton
(E) respiration by zooplankton
(D) photosynthesis by phytoplankton
77. Photosynthesis is the major source of which of the following gases in Earth's atmosphere?
(A) CO2
(B) H2O
(C) O2
(D) H2
(E) N2
(C) O2
How many bones do sharks have?
NONE (they have only cartilage)