Question 55.55. The fact that marsupials are not as diverse inSouth America as they are in Australia would be classified as whattype of evidence for evolution? (Points : 1.25)
biogeographical
anatomical
biochemical
fossil record
molecular evidence
Question 56.56. What is the name of the hypothesis that statesthat the very first living thing came from nonliving chemicals?(Points : 1.25)
cell theory
chemical evolution
Darwinian evolution
speciation
organic chemistry
Question 57.57. What structures are necessary for thereplication process to occur in a cell? (Points : 1.25)
enzymatic proteins
carbohydrates
lipids
starches
viruses
Question 58.58. The flipper of a whale and the wing of a birdare homologous structures. (Points : 1.25)
TRUE
FALSE
Question 59.59. Both the RNA-first and the protein-firsthypotheses must propose a manner for DNA to become the geneticmaterial as it is today. (Points : 1.25)
TRUE
FALSE
Question 60.60. The early atmosphere of Earth consisted mainlyof (Points : 1.25)
hydrogen, oxygen, and carbon dioxide.
oxygen, water vapor, and carbon monoxide.
water vapor, nitrogen, and carbon dioxide.
hydrogen, carbon monoxide, and nitrogen.
water vapor, hydrogen, and carbon dioxide.
Question 61.61. Which of the following biogeochemical cycles isa sedimentary cycle? (Points : 1.25)
carbon
nitrogen
phosphorus
water
ice
Question 62.62. What two characteristics define a biome? (Points: 1.25)
temperature and the types of plants found there
amount of precipitation and the types of plantsfound there
temperature and rainfall
latitude and rainfall
altitude and temperature
Question 63.63. The atmosphere would be considered whatcomponent of a chemical cycle? (Points : 1.25)
reservoir
exchange pool
biotic community
source
none of these
Question 64.64. Are humans capable of upsetting globalbiogeochemical cycles with their activities? (Points : 1.25)
YES
NO
Question 65.65. The richest marine ecosystems are those in theopen water where large fish abound. (Points : 1.25)
TRUE
FALSE
Question 66.66. What is involved in the process ofdenitrification? (Points : 1.25)
conversion of nitrogen gas to ammonium
conversion of nitrogen gas to nitrate
conversion of ammonium to nitrate
conversion of nitrite to nitrate
conversion of nitrate to nitrogen gas
Question 67.67. What is the loss of water from plants called?(Points : 1.25)
runoff
precipitation
evaporation
transpiration
transference
Question 68.68. Decomposers perform a valuable service becausethey recycle nutrients. (Points : 1.25)
TRUE
FALSE
Question 69.69. There is more nitrogen gas in the atmospherethan there is oxygen. (Points : 1.25)
TRUE
FALSE
Question 70.70. Which of the following defines an ecosystems?(Points : 1.25)
a group of organisms of the same speciesinteracting together
all of the living organisms in an area interactingtogether
all living organisms and the nonliving environmentinteracting together
aspects of the nonliving environment interactingtogether
all the places on Earth where living organisms canbe found
Question 71.71. In MDCs, many people do not eat enough protein.(Points : 1.25)
TRUE
FALSE
Question 72.72. The age structure diagram of MDCs is shaped like(Points : 1.25)
a pyramid.
an inverted pyramid.
a rectangle.
an oval.
a cube.
Question 73.73. The biggest problem in moving toward asustainable society with the LDCs is overconsumption. (Points :1.25)
TRUE
FALSE
Question 74.74. A sustainable society is one that provides allof the goods and services desired by humans. (Points : 1.25)
TRUE
FALSE
Question 75.75. In order to have a negative population growthrate, (Points : 1.25)
the birthrate must exceed the death rate.
the biotic potential of the population mustincrease.
the death rate must exceed the birth rate.
the carrying capacity for the population mustincrease.
only replacement reproduction can occur.
Question 76.76. Why should pregnant women and small children noteat certain fish? (Points : 1.25)
herbicide contamination
mercury contamination
pesticide contamination
lead contamination
PCB contamination
Question 77.77. What do hydropower and wind power have incommon? (Points : 1.25)
Both require the building of dams.
Both lead to an increase in greenhouse gasemissions.
Both are renewable energy sources.
Both result in the depletion of fossil fuels.
Both require the use of photovoltaic cells.
Question 78.78. Which organism would be most impacted bybiomagnification? (Points : 1.25)
eagles
rabbits
wheat plants
earthworms
corn
Question 79.79. Most of the freshwater in the world is used for(Points : 1.25)
drinking.
bathing.
irrigation.
watering lawns.
industrial needs.
Question 80.80. Which of the following is not associated withgroundwater depletion? (Points : 1.25)
subsidence
sinkholes
saltwater intrusion
lowering of the water table
sediment buildup
