UNIT 3 PRACTICE TEST

Multiple ChoiceIdentify the choice that best completes the statement or answers the question.____ 1. Which of the following factors makes life on earth possible?

a. the earth's orbit is the correct distance from the sunb. the amount of oxygen present in the atmosphere is not too little or too muchc. temperatures remain relatively stale despite an increased amount of energy emitted from

the sund. an ozone layer exists due to the evolution of plantse. All of the above.

____ 2. The fossil record is incomplete becausea. not all fossils have been found.b. some fossils have decomposed.c. some life forms left no fossils.d. All of these answers.e. None of these answers.

____ 3. You are a fossil hunter. Which of the following are you least likely to find in a fossil?a. boneb. leavesc. teethd. musclee. shells

____ 4. Which of the following is false? Coevolutiona. occurs when interacting species exert selective pressures on each other.b. occurs between plants and the herbivores that eat them.c. may play a role in the evolution of camouflage.d. leads to competitive relationships.e. All of these answers.

____ 5. Over the course of time, the change in the gene pool of one species may lead to the change of the gene pool of another species. This process is calleda. coevolution.b. microevolution.c. convergent evolution.d. macroevolution.e. diversifying natural selection.

____ 6. Which of the following events have forced species to adapt to environmental conditions or go extinct?a. drastic heating and cooling of the earthb. meteorites and asteroids hitting the earthc. upheaval of the earth's crustd. a and b onlye. All of the above.

____ 7. An ecological niche includes all of the following excepta. the nutrient relationships with other species.b. the location where a species lives.c. the types of resource requirements.d. the range of tolerance to different physical and chemical conditions.e. the types of competitors.

____ 8. The process in which one species evolves into a variety of species is calleda. coevolution.b. microevolution.c. divergent evolution.d. macroevolution.e. diversifying natural selection.

____ 9. A hummingbird would be considered a specialist species becausea. it can only eat one certain type of food.b. it can live in a variety of habitats.c. it can tolerate a wide range of temperatures.d. Only a and c are true.e. All of the above are true.

____ 10. Geographic isolation is least likely to give rise toa. reproductive isolation.b. speciation.c. convergent evolution.d. divergent evolution.e. microevolution.

____ 11. Darwin's description of macroevolution as an accumulation of steady, small evolutionary changes is best described asa. dynamic equilibrium.b. a steady state hypothesis.c. a punctuated equilibrium hypothesis.d. a gradualist model of evolution.e. natural selection.

____ 12. Gould's view of macroevolution as long periods of relatively little change interrupted by short periods of relatively rapid change is best described asa. dynamic equilibrium.b. a steady state hypothesis.c. a punctuated equilibrium hypothesis.d. a gradualist model of evolution.e. natural selection.

____ 13. Patterns of speciation and extinction are least likely to be affected bya. climatic changes.b. continental drift.c. meteorites crashing into the earth.d. changes in the weather.e. human activity.

____ 14. Biodiversity is believed to be the result ofa. divergent and convergent evolution.b. speciation and extinction.c. speciation and coevolution.d. extinction and coevolution.e. divergent evolution and coevolution.

____ 15. Features of weather include all of the following excepta. temperature.b. barometric pressure.c. wind direction.d. ozone concentration.

e. precipitation.____ 16. The rain shadow effect refers to

a. more light on the windward side of mountain ranges.b. more light on the leeward side of mountain ranges.c. drier conditions on the windward side of mountain ranges.d. drier conditions on the leeward side of mountain ranges.e. wetter conditions on the windward side of mountain ranges.

____ 17. Microclimates are least likely to be produced bya. mountains.b. bodies of water.c. cities.d. flat plains.e. sand dunes.

____ 18. The most probable chain of cause and effect contributing to patterns of earth's biomes isa. Incoming solar energy and the earth's geometry create climate patterns which create air

and ocean currents that create biome patterns.b. Incoming solar energy and the earth's geometry create air and ocean currents that create

climate patterns that create biome patterns.c. Incoming solar energy and the earth's geometry create climate patterns that create biome

patterns that create air and ocean currents.d. Air and ocean currents determine incoming solar energy and the earth's geometry which

create climate patterns that create biome patterns.e. Air and ocean currents determine incoming solar energy that create climate patterns which

create biome patterns.____ 19. In its broadest sense, geographical perspective helps us to understand ecology by helping us to make

connectionsa. between abiotic and biotic factors.b. in time and space.c. between temperature and precipitation.d. between weather and climate.e. between time and weather.

____ 20. The two most important factors determining the climate of an area area. temperature and ocean currents.b. precipitation and light.c. temperature and precipitation.d. light and temperature.e. ocean currents and light.

____ 21. Generally, the limiting factor that controls the vegetative character of a biome isa. light.b. precipitation.c. nutrients.d. soil type.e. temperature.

____ 22. Climate and vegetation vary witha. latitude only.b. altitude only.c. latitude and altitude.d. latitude and longitude.e. altitude and longitude.

____ 23. The biome most likely to be found on the top of a very tall tropical mountain is thea. desert.b. tundra.c. grassland.d. temperate deciduous forest.e. savanna.

____ 24. You are going on a scientific expedition from the equator to the North Pole. As you leave the coniferous forest behind, you anticipate next exploringa. gases captured in the ice.b. the fall leaves of New England.c. patterns of cone design in coniferous trees.d. the role of lichens and mosses in boggy ecosystems.e. germination patterns of tall-prairie grasses.

____ 25. Trees of wet tropical rain forests tend to bea. succulent plants.b. broad-leaf evergreen plants.c. broadleaf deciduous plants.d. coniferous evergreen plants.e. coniferous deciduous plants.

____ 26. Which of the following are examples of deciduous plants?a. maples and oaksb. algae and seaweedc. beech and spruced. pines and cedarse. fir and hemlock

____ 27. Which of the following is not characteristic of some desert plants?a. widespread, shallow root systemsb. deep root systemsc. large leaves that droop in the bright sunlightd. succulent leaves or stemse. becoming dormant during dry periods

____ 28. Which of the following is not characteristic of the tropical desert?a. low diversityb. humid conditionsc. low productivityd. few grazing animalse. dry conditions

____ 29. If you were exploring a desert ecosystem, which of the following species would you least expect to find?a. creosote bushb. maple treec. saguaro cactusd. prickly peare. Joshua tree

____ 30. If you were a National Geographic reporter assigned to cover large herds of grazing, hoofed animals, where would you most likely journey?a. arctic tundrab. tropical forestc. deciduous forestd. savanna

e. taiga____ 31. The ____ is located in Europe.

a. veldtb. steppesc. savannad. pampase. taiga

____ 32. Arctic tundra is perhaps earth's most fragile biome because ofa. low rate of decomposition.b. shallow soil.c. slow growth rate of plants.d. bitter cold.e. All of these answers.

____ 33. Plants of the arctic tundra are adapted toa. moderate temperatures, lack of sunlight, and constant high winds.b. freezing temperatures, lack of water, and variable winds.c. freezing temperatures, lack of sunlight, and constant high winds.d. freezing temperatures, lack of water, and bright sunlight.e. freezing temperatures, lack of water, and lack of sunlight.

____ 34. You visit the Museum of Natural History. The curator shows you a burrow-dwelling small animal with thick fur. You predict that the animal came from thea. temperate grasslands.b. desert.c. tropical forest.d. arctic tundra.e. taiga.

____ 35. ____ can convert grasslands into desert.a. Overgrazingb. Urban sprawlc. Barbed-wire fencingd. Occasional short droughtse. None of these answers

____ 36. You are an ecologist on location in chaparral country. You would be surprised to finda. fires.b. very wet winters.c. evergreen shrubs.d. scrub oak.e. All of these answers.

____ 37. The primary limiting factor of the rain forest isa. water.b. soil nutrients.c. temperature.d. light.e. wind.

____ 38. Philodendrons and other office plants are most likely to come from which of the following layers of the tropical rain forest?a. emergent layerb. canopyc. shrub layer

d. ground layere. understory

____ 39. Most of the nutrients in the tropical rain forests are found in thea. living organisms.b. large rivers.c. deep, rich soil.d. thick atmosphere.e. shallow soil.

____ 40. Which of the following modes of pollination would you least expect to find in a tropical rain forest?a. butterflyb. birdc. batd. winde. insect

____ 41. Which of the following is not appropriate to use in describing a tropical rain forest?a. rapid decompositionb. rich soilc. stratifiedd. highly diversee. low nutrient soil

____ 42. Which of the following is false? Temperate deciduous forestsa. change significantly during four distinct seasons.b. are dominated by a few species of broadleaf trees.c. have trees that survive winter by dropping their leaves.d. have nutrient-poor soil.e. have nutrient rich soil.

____ 43. Animal species of the temperate deciduous forest often confine their life activities to a particular layer within the forest. Which of the following species, however, would be considered a "commuter" between the canopy and the forest layer?a. hawkb. foxc. woodpeckerd. squirrele. eagle

____ 44. If you were to make a census in a temperate deciduous forest in the United States, the most likely dominant mammal species would bea. deer.b. bear.c. fox.d. wildcat.e. coyote.

____ 45. Trees with needlelike leaves that are kept year round are especially abundant in which biome?a. tundrab. tropical rain forestc. coniferous forestd. temperate deciduous foreste. taiga

____ 46. There are fewer species in the coniferous forests than in the deciduous forests because few species can survive thea. bright sunlight.b. excessive moisture.c. alkaline soils.d. winters, when soil moisture is frozen.e. hot summers.

____ 47. Cone-bearing trees are characteristic of thea. taiga.b. tropical rain forest.c. temperate deciduous forest.d. savanna.e. desert.

____ 48. Humans have effected coniferous forests bya. clear-cutting for lumber.b. hunting predators.c. large-scale mining.d. All of these answers.e. None of these answers.

____ 49. If you are walking through a forest dense with oak and hickory trees and thick with leaf litter underfoot, you would probably assume you are in aa. tundrab. tropical rain forestc. coniferous forestd. temperate deciduous foreste. taiga

____ 50. If you find yourself in an extremely cold area covered primarily with spruce, fir, and cedar trees, you are most likely in aa. tundrab. tropical rain forestc. coniferous forestd. temperate deciduous foreste. taiga

____ 51. Which of the following biomes has been most disturbed by human activities?a. tundrab. tropical rain forestc. coniferous forestd. temperate deciduous foreste. taiga

____ 52. Humans impact the world's forests bya. clearing them for agricultural purposes.b. driving off-road vehicles and causing erosion.c. polluting forest streams.d. building cities.e. All of the above.

____ 53. Thriving coral reefs requirea. cloudy water.b. cool water.c. dissolved oxygen and nutrients.

d. salinity that fluctuates with the tides.e. cold water.

____ 54. Populations of organisms living in aquatic life zones may be limited bya. access to light.b. nutrient availability.c. dissolved oxygen.d. All of these answers.e. None of these answers.

____ 55. Oxygen in the water varies widely because ofa. number of producers.b. number of decomposers.c. temperature.d. number of consumers.e. All of these answers.

____ 56. The major types of flora and fauna found in aquatic ecosystems are determined primarily bya. temperatureb. salinityc. pHd. dissolved oxygene. light

____ 57. Zooplankton area. primary consumers.b. secondary consumers.c. tertiary consumers.d. a and b only.e. a, b, and c.

____ 58. You are scuba diving in the Atlantic Ocean and find a new diatom you classify as phytoplankton. One piece of your supporting evidence for this classification is that you found the diatom in thea. euphotic zoneb. bathyl zonec. profundal zoned. disphotic zonee. benthic zone

____ 59. Oceans cover about ____ of the earth's surface.a. 50%b. 60%c. 70%d. 80%e. 90%

____ 60. The ocean zone that covers the continental shelf is thea. estuary.b. coastal zone.c. littoral zone.d. benthic zone.e. abyssal zone.

____ 61. The ecosystems with the world's highest net primary productivities per unit area are found in thea. euphotic zone.b. abyssal zone.c. bathyal zone.

d. coastal zone.e. benthic zone.

____ 62. Estuaries and coastal wetlands are important for all of the following reasons excepta. spawning and nursery grounds for marine fish and shellfish.b. filtering out waterborne pollutants from swimming and wildlife areas.c. breeding grounds for waterfowl.d. providing coral for limestone production and the tourist trade.e. habitat for alligators.

____ 63. Which of the following trees is characteristic of tropical coastal wetlands?a. cypressb. coconutc. mangroved. palme. live oak

____ 64. In terms of biodiversity, the tropical rain forest is to land environments as ____ is to water environments.a. the abyssal zoneb. the bathyal zonec. the euphotic zoned. the coral reefe. the benthic zone

____ 65. Researchers have estimated that more that more than ____ of the world's mangrove forests have been destroyed by human activities.a. 1/4b. 1/3c. 1/2d. 2/3e. 3/4

____ 66. The least appropriate use of coastal wetlands is fora. spawning and nursery grounds.b. condominiums and disposal of landfill waste.c. food production.d. recreational diving.e. educational activities.

____ 67. The best long-range strategy to reduce beach erosion isa. building groins.b. preventing development on beach areas or allowing development only behind protective

dunes.c. importing sand.d. extensive building on barrier beaches.e. building seawalls.

____ 68. The deepest part of the ocean is thea. abyssal zone.b. euphotic zone.c. estuary zone.d. bathyal zone.e. benthic zone

____ 69. Most photosynthesis in the open sea occurs in thea. euphotic zone.b. abyssal zone.

c. bathyal zone.d. coastal zone.e. benthic zone.

____ 70. Depressions in the land that can be filled with water to form lakes may be formed bya. glaciation.b. earthquakes.c. volcanic activity.d. erosion.e. All of these answers.

____ 71. In lakes, large numbers of decomposers are found in thea. limnetic zone.b. benthic zone.c. littoral zone.d. profundal zone.e. abyssal zone.

____ 72. In lakes, the nutrient-rich water near the shore is part of thea. limnetic zone.b. benthic zone.c. littoral zone.d. profundal zone.e. abyssal zone.

____ 73. Lakes that have few minerals and low productivity are referred to asa. autotrophic.b. eutrophic.c. oligotrophic.d. mesotrophic.e. oligomesotrophic.

____ 74. A temperate lake is most likely to show thermal stratification and restriction on mixing of surface and deeper waters during thea. winter.b. spring.c. summer.d. early fall.e. late fall.

____ 75. A biologist studying biodiversity would most likely conduct research at a(an) ____ lake.a. autotrophic.b. eutrophic.c. oligotrophic.d. mesotrophic.e. oligomesotrophic

____ 76. An ecologist would expect to find a thermocline in a temperate lake ina. spring and summer.b. spring and fall.c. summer and winter.d. fall and summer.e. fall only.

____ 77. Lake overturns bringa. oxygen and nutrients to the surface.b. oxygen and nutrients to the lake bottom.

c. oxygen to the surface and nutrients to the lake bottom.d. oxygen to the lake bottom and nutrients to the surface.e. oxygen to the surface.

____ 78. In which zone of a river would you most expect to find plants adapted to attach to rocks?a. firstb. secondc. thirdd. benthice. fourth

____ 79. All of the following would be considered seasonal wetlands excepta. flood plainsb. bottomland hardwood swampsc. prairie potholesd. cypress swampse. None of the above.

____ 80. Which of the following illustrations does not match the accompanying ecological concept.a. Coral reefs have high biodiversity.b. Estuaries have high productivity.c. Dissolved oxygen is a primary limiting factor in the upper layer of a stratified lake.d. The open ocean is the least productive of aquatic life zones.e. Littoral zones have high biodiversity.

True/FalseIndicate whether the statement is true or false.____ 81. Mutations are sometimes beneficial.

____ 82. Selective breeding is a method of artificial selection.

____ 83. When local environmental conditions change, species may become extinct through background extinction.

____ 84. Natural Selection relies on three truths, one of which is based on genetic mutations.

____ 85. Extinction is the permanent loss of genetic diversity.

____ 86. Mutations must occur for biological evolution to happen.

____ 87. Geographic isolation and reproductive isolation are the two processes that affect the number and types of species on earth.

____ 88. Deciduous forests are typically located at higher altitudes than coniferous forests.

____ 89. The concentration of greenhouse gases and the average temperature of the atmosphere have an inverse relationship.

____ 90. Tundras are generally colder than chaparrals.

____ 91. The rainshadow effect explains why the leeward side of a mountain range will have semiarid and arid conditions.

____ 92. Jack rabbits, diamondback rattlesnakes, collared lizards, and prickly pear cacti are biotic components tropical deserts.

____ 93. Driving cars, using fossil fuels for electricity, and deforestation all lead to an increase in dioxide in the atmosphere.

____ 94. Biomes are affected by ocean currents and water flow.

____ 95. The two types of aquatic life zones on earth are freshwater life zones and coastal life zones.

____ 96. The euphotic zone is that region of the ocean just below the limit of light absorption.

____ 97. Algae flourish most abundantly in the bathyal zone on the ocean.

____ 98. Water in the floodplain zone is generally warmer and slower than water in the transition zone.

____ 99. A lake's profundal zone has less oxygen than it's littoral zone.

____ 100. Lotic bodies of freshwater, such as lakes and ponds, have less oxygen in the euphotic zone than do lentic bodies.

CompletionComplete each statement.

101. ____________________ have no leaves and can store water and synthesize food in their tissue in order to survive in very dry climates.

102. ____________________ is the main reason tundras form many shallow lakes and ponds, as well as keeping methane gas locked in the soil.

103. ____________________ are essential portions of watersheds because they serve as the liaison between land and water resources.

104. Aquatic plants would most likely not be found in a(an) ____________________ because of the light depravation.

105. ____________________ is determined by environmental factors including temperature, sunlight, dissolved oxygen, and available nutrients.

106. Most people would probably prefer swimming in a(an) ____________________ lake because they are clear and very little aquatic life.

107. The ____________________ in marine systems in the most susceptible to human interference.

108. The ____________________ in marine systems has the highest productivity per unit area, primarily because of nutrients and sunlight.

109. Aquatic life zones such as streams and rivers are also called ____________________.

110. Organisms living in the ____________________ must have adaptations to survive the impact of waves and live in both dry and wet conditions.

Matching

____ 111. On the global air circulation and biomes figure, choose the letters that represent tropical deciduous forest and grasslands.

____ 112. On the global air circulation and biomes figure, choose the letter that represent moist air rising, cooling, and forming precipitation.

____ 113. On the global air circulation and biomes figure, choose the letters that represent tropical deciduous forest.____ 114. On the global air circulation and biomes figure, choose the letter that represents cool, dry air falling.____ 115. On the global air circulation and biomes figure, choose the letter that represents moist air rising and forming

precipitation.

____ 116. On the downhill flow of water figure, choose the zone containing wider, lower elevation streams.____ 117. On the downhill flow of water figure, choose the zone containing mountain headwater streams.____ 118. On the downhill flow of water figure, choose the zone containing rivers that empty into the ocean.

UNIT 3 PRACTICE TESTAnswer Section

MULTIPLE CHOICE1. ANS: E PTS: 1 DIF: E TOP: Origins of Life2. ANS: D PTS: 1 DIF: M TOP: Origins of Life3. ANS: D PTS: 1 DIF: M TOP: Origins of Life4. ANS: D PTS: 1 DIF: D

TOP: Evolution, Natural Selection, and Adaptation5. ANS: A PTS: 1 DIF: M

TOP: Evolution, Natural Selection, and Adaptation6. ANS: E PTS: 1 DIF: M

TOP: Geologic Process, Climate Change, Catastrophes, and Evolution7. ANS: B PTS: 1 DIF: M TOP: Ecological Niches and Adaptation8. ANS: C PTS: 1 DIF: M TOP: Ecological Niches and Adaptation9. ANS: A PTS: 1 DIF: E TOP: Ecological Niches and Adaptation

10. ANS: C PTS: 1 DIF: MTOP: Speciation, Extinction, and Biodiversity

11. ANS: D PTS: 1 DIF: MTOP: Speciation, Extinction, and Biodiversity

12. ANS: C PTS: 1 DIF: MTOP: Speciation, Extinction, and Biodiversity

13. ANS: D PTS: 1 DIF: MTOP: Speciation, Extinction, and Biodiversity

14. ANS: B PTS: 1 DIF: MTOP: Speciation, Extinction, and Biodiversity

15. ANS: D PTS: 1 DIF: E TOP: Climate: A Brief Introduction16. ANS: D PTS: 1 DIF: M TOP: Climate: A Brief Introduction17. ANS: D PTS: 1 DIF: M TOP: Climate: A Brief Introduction18. ANS: B PTS: 1 DIF: D TOP: Climate: A Brief Introduction19. ANS: B PTS: 1 DIF: M TOP: Climate: A Brief Introduction20. ANS: C PTS: 1 DIF: M TOP: Biomes: Climate and Life on Land21. ANS: B PTS: 1 DIF: E TOP: Biomes: Climate and Life on Land22. ANS: C PTS: 1 DIF: E TOP: Biomes: Climate and Life on Land23. ANS: B PTS: 1 DIF: E TOP: Biomes: Climate and Life on Land24. ANS: D PTS: 1 DIF: D TOP: Biomes: Climate and Life on Land25. ANS: B PTS: 1 DIF: M TOP: Biomes: Climate and Life on Land26. ANS: A PTS: 1 DIF: E TOP: Biomes: Climate and Life on Land27. ANS: C PTS: 1 DIF: M TOP: Desert Biomes28. ANS: B PTS: 1 DIF: M TOP: Desert Biomes29. ANS: B PTS: 1 DIF: M TOP: Desert Biomes30. ANS: D PTS: 1 DIF: M TOP: Grassland and Chaparral Biomes31. ANS: B PTS: 1 DIF: E TOP: Grassland and Chaparral Biomes32. ANS: E PTS: 1 DIF: D TOP: Grassland and Chaparral Biomes33. ANS: C PTS: 1 DIF: D TOP: Grassland and Chaparral Biomes34. ANS: D PTS: 1 DIF: M TOP: Grassland and Chaparral Biomes

35. ANS: A PTS: 1 DIF: E TOP: Grassland and Chaparral Biomes36. ANS: B PTS: 1 DIF: E TOP: Grassland and Chaparral Biomes37. ANS: B PTS: 1 DIF: E TOP: Forest Biomes38. ANS: C PTS: 1 DIF: M TOP: Forest Biomes39. ANS: A PTS: 1 DIF: E TOP: Forest Biomes40. ANS: D PTS: 1 DIF: M TOP: Forest Biomes41. ANS: B PTS: 1 DIF: D TOP: Forest Biomes42. ANS: D PTS: 1 DIF: D TOP: Forest Biomes43. ANS: D PTS: 1 DIF: M TOP: Forest Biomes44. ANS: A PTS: 1 DIF: M TOP: Forest Biomes45. ANS: C PTS: 1 DIF: M TOP: Forest Biomes46. ANS: D PTS: 1 DIF: D TOP: Forest Biomes47. ANS: A PTS: 1 DIF: E TOP: Forest Biomes48. ANS: D PTS: 1 DIF: M TOP: Forest Biomes49. ANS: D PTS: 1 DIF: M TOP: Forest Biomes50. ANS: E PTS: 1 DIF: M TOP: Forest Biomes51. ANS: D PTS: 1 DIF: E TOP: Forest Biomes52. ANS: E PTS: 1 DIF: E

TOP: Human Impact on Terrestrial Biomes53. ANS: C PTS: 1 DIF: E54. ANS: D PTS: 1 DIF: M TOP: Aquatic Environments55. ANS: E PTS: 1 DIF: M TOP: Aquatic Environments56. ANS: E PTS: 1 DIF: E TOP: Aquatic Environments57. ANS: D PTS: 1 DIF: E TOP: Aquatic Environments58. ANS: B PTS: 1 DIF: E TOP: Aquatic Environments59. ANS: C PTS: 1 DIF: E TOP: Saltwater Life Zones60. ANS: B PTS: 1 DIF: E TOP: Saltwater Life Zones61. ANS: D PTS: 1 DIF: E TOP: Saltwater Life Zones62. ANS: D PTS: 1 DIF: M TOP: Saltwater Life Zones63. ANS: C PTS: 1 DIF: E TOP: Saltwater Life Zones64. ANS: D PTS: 1 DIF: M TOP: Saltwater Life Zones65. ANS: B PTS: 1 DIF: E TOP: Saltwater Life Zones66. ANS: B PTS: 1 DIF: E TOP: Saltwater Life Zones67. ANS: B PTS: 1 DIF: M TOP: Saltwater Life Zones68. ANS: A PTS: 1 DIF: E TOP: Saltwater Life Zones69. ANS: A PTS: 1 DIF: E TOP: Saltwater Life Zones70. ANS: E PTS: 1 DIF: E TOP: Freshwater Life Zones71. ANS: B PTS: 1 DIF: E TOP: Freshwater Life Zones72. ANS: C PTS: 1 DIF: E TOP: Freshwater Life Zones73. ANS: C PTS: 1 DIF: M TOP: Freshwater Life Zones74. ANS: C PTS: 1 DIF: M TOP: Freshwater Life Zones75. ANS: B PTS: 1 DIF: M TOP: Freshwater Life Zones76. ANS: C PTS: 1 DIF: D TOP: Freshwater Life Zones77. ANS: D PTS: 1 DIF: D TOP: Freshwater Life Zones78. ANS: A PTS: 1 DIF: E TOP: Freshwater Life Zones79. ANS: D PTS: 1 DIF: M TOP: Freshwater Life Zones

80. ANS: C PTS: 1 DIF: D TOP: Freshwater Life Zones

TRUE/FALSE81. ANS: T PTS: 1 DIF: M82. ANS: T PTS: 1 DIF: E83. ANS: T PTS: 1 DIF: D84. ANS: F PTS: 1 DIF: M85. ANS: T PTS: 1 DIF: D86. ANS: T PTS: 1 DIF: E87. ANS: F PTS: 1 DIF: M88. ANS: F PTS: 1 DIF: M89. ANS: F PTS: 1 DIF: E90. ANS: T PTS: 1 DIF: E91. ANS: T PTS: 1 DIF: M92. ANS: F PTS: 1 DIF: M93. ANS: T PTS: 1 DIF: E94. ANS: T PTS: 1 DIF: M95. ANS: F PTS: 1 DIF: M96. ANS: F PTS: 1 DIF: M97. ANS: F PTS: 1 DIF: M98. ANS: T PTS: 1 DIF: E99. ANS: T PTS: 1 DIF: E

100. ANS: F PTS: 1 DIF: M

COMPLETION101. ANS: Succulent plants

PTS: 1 DIF: E102. ANS: Permafrost

PTS: 1 DIF: E103. ANS: Wetlands

PTS: 1 DIF: M104. ANS: eutrophic lake

PTS: 1 DIF: D105. ANS: Aquatic biodiversity

PTS: 1 DIF: M106. ANS: oligotrophic

PTS: 1 DIF: E107. ANS: coastal zone

PTS: 1 DIF: E108. ANS: coastal zone

PTS: 1 DIF: E109. ANS: lotic systems

PTS: 1 DIF: E110. ANS: intertidal zone

PTS: 1 DIF: E

MATCHING111. ANS: A PTS: 1 DIF: M OBJ: Labeling

NOT: D is also correct.112. ANS: G PTS: 1 DIF: M OBJ: Labeling113. ANS: B PTS: 1 DIF: M OBJ: Labeling

NOT: C is also correct.114. ANS: F PTS: 1 DIF: M OBJ: Labeling115. ANS: E PTS: 1 DIF: M OBJ: Labeling116. ANS: B PTS: 1 DIF: M OBJ: Labeling117. ANS: A PTS: 1 DIF: M OBJ: Labeling118. ANS: C PTS: 1 DIF: M OBJ: Labeling