Name: ________________________ Class: ___________________ Date: __________
ID: A
Chapter 7 & 8 PRACTICE TEST
The real test will be on January 9th.
35 Questions will be selected from the practice test.
____
1. Which of the following is a local area's short-term temperature, precipitation, and humidity?
a. climate
b. weather
c. biomes
d. ecosystems
e. currents
____
2. Which of the following statements about oceans is not true?
a. Ocean currents redistribute heat from the sun.
b. Most of the heat absorbed by the ocean air is absorbed in tropical waters.
c. Irregularly shaped continents cause currents to flow in circular patterns.
d. Differences in density of warm and cold seawater set up warm and cold currents.
e. Oceans currents flow counter-clockwise in the northern hemisphere.
____
3. The term greenhouse effect describes
a. occupational diseases of florists
b. the trapping of heat energy by molecules in the atmosphere
c. the effect climate change has on the economy
d. the efforts of the White House to support environmental legislation
e. mutations in DNA from UV radiation
____
4. Large terrestrial regions with similar characteristics are
a. ecosystems
b. communities
c. populations
d. habitats
e. biomes
____
5. "Widely scattered clumps of trees, warm temperatures year-round, alternating dry and wet seasons, with
herds of herbivores" are the characteristics of which of the following?
a. tall-grass prairie
b. tundra
c. short-grass prairie
d. temperate grassland
e. savanna
____
6. Which of the following is not true of prairies?
a. Winds blow almost continuously.
b. Evaporation is rapid.
c. Fires in summer and fall are common.
d. Prairies are typical of coastal regions of continents.
e. Tree growth is hindered by fires and wind.
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Name: ________________________
ID: A
____
7. Thick, spongy mats of low-growing plants, primarily grasses, mosses, and lichens, are typical of the
a. arctic tundra
b. coniferous forest
c. tall-grass prairies
d. tropical forests
e. taiga
____
8. Trees of the tropical rainforest are characterized by leaves that are
a. needlelike
b. broadleaf and fall seasonally
c. needlelike and fall seasonally
d. needlelike and evergreen
e. broadleaf and evergreen
____
9. Which of the following would not be true of a tropical rain forest?
a. low net primary productivity
b. little ground level vegetation
c. low levels of ground level sunlight
d. high biodiversity
e. high humidity
____ 10. Which of the following biomes has been most disturbed by human activities?
a. tundra
b. tropical rain forest
c. coniferous forest
d. temperate deciduous forest
e. taiga
____ 11. Which of the following is not true about mountains?
a. They serve as major storehouses for water.
b. They contain habitats for many endemic species.
c. They serve as sanctuaries for species driven from lowland areas.
d. They help regulate the earth's climate.
e. They contain a minority of the world's forests.
____ 12. How much of the world's population depends on mountain systems for all or some of their water?
a. 10%
b. 18%
c. 36%
d. 58%
e. 69%
____ 13. Increasing stress levels on biomes would result in all of the following except
a. massive loss of biodiversity
b. increased crop production
c. accelerated projected climate change
d. higher levels of carbon dioxide in the atmosphere
e. replacement of one biome by another
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Name: ________________________
ID: A
____ 14. Coral reefs are being damaged or destroyed by all of the following except
a. pollution
b. warmer ocean temperatures
c. increasing ocean acidity
d. coastal development
e. underfishing
____ 15. The single ocean on earth is divided into 4 parts by the continents. Which of the following is not one of
those parts?
a. Atlantic
b. Arctic
c. Baltic
d. Indian
e. Pacific
____ 16. All of the following are part of the freshwater aquatic life zones, except
a. lakes
b. mangrove forests
c. inland wetlands
d. streams
e. rivers
____ 17. If you find a new species of algae floating on the surface of a coastal zone, you would likely consider it a
type of
a. benthos
b. zooplankton
c. nekton
d. phytoplankton
e. ultraplankton
____ 18. Ultraplankton, photosynthetic bacteria, may be responsible for how much of the primary productivity near
the ocean's surface?
a. 100%
b. 85%
c. 70%
d. 40%
e. none
____ 19. Strongly swimming consumers would be part of which of the following?
a. phytoplankton
b. zooplankton
c. nekton
d. benthos
e. decomposers
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Name: ________________________
ID: A
____ 20. On a fishing boat, someone catches a swordfish. As a biologist, you would consider this organism a type of
a. phytoplankton
b. zooplankton
c. nekton
d. benthos
e. decomposer
____ 21. The key factors determining the types and numbers of organisms found in the various layers of both
freshwater and marine systems include all of the following, except
a. parasitism
b. availability of nutrients
c. temperature
d. dissolved oxygen levels
e. availability of food
____ 22. The ocean zone that covers the continental shelf is the
a. bathyal zone
b. coastal zone
c. littoral zone
d. benthic zone
e. abyssal zone
____ 23. Which of the following is not part of the coastal zone?
a. estuaries
b. coastal wetlands
c. bathyal zone
d. intertidal zone
e. coral reefs
____ 24. Coastal marine ecosystem consisting of at least 60 species of plants that grow underwater in shallow marine
and estuarine areas along most continental coastlines, are
a. salt marshes
b. sea grass beds
c. intertidal zones
d. mangrove forests
e. coral reefs
____ 25. Researchers have estimated more than ____ of the world's mangrove forests have been destroyed by human
activities.
a. one-fourth
b. one-fifth
c. one-half
d. two-thirds
e. three-fourths
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Name: ________________________
ID: A
____ 26. Organisms in this area must be able to avoid being swept away, crushed by waves, or being left high and dry
at low tides, and must survive daily or seasonal salinity and temperature changes.
a. estuaries
b. coastal wetlands
c. bathyal zone
d. intertidal zone
e. coral reefs
____ 27. The deepest part of the ocean is the
a. abyssal zone
b. euphotic zone
c. estuary zone
d. bathyal zone
e. benthic zone
____ 28. Most photosynthesis in the open ocean occurs in the
a. abyssal zone
b. euphotic zone
c. estuary zone
d. bathyal zone
e. benthic zone
____ 29. What percentage of the world’s photosynthetic activity is accomplished by phytoplankton in the euphotic
zone?
a. 70
b. 60
c. 50
d. 40
e. 30
____ 30. The zone in which you would expect to find deposit feeders along with oysters, clams, and sponges is the
a. euphotic zone
b. abyssal zone
c. coastal zone
d. intertidal zone
e. bathyal zone
____ 31. How much of the world's ocean area has been heavily affected by human activity?
a. 11%
b. 21%
c. 31%
d. 41%
e. 51%
____ 32. The open, sunlit surface area away from the shore is which zone?
a. benthic
b. littoral
c. bathyal
d. limnetic
e. profundal
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Name: ________________________
ID: A
____ 33. In lakes, the nutrient-rich water near the shore is part of the
a. limnetic zone
b. benthic zone
c. littoral zone
d. profundal zone
e. abyssal zone
____ 34. Fish adapted to cool, dark waters in lakes are found in the zone called
a. limnetic zone
b. benthic zone
c. littoral zone
d. profundal zone
e. abyssal zone
____ 35. Which of the following would be characteristic of the profundal zone?
a. rooted plants
b. low oxygen levels
c. nourished by dead matter
d. main photosynthetic layer
e. turtles, frogs, crayfish, perch
____ 36. Which of the following would be characteristic of a eutrophic lake?
a. nutrient overload from human activities
b. nutrient levels between the extremes of too much and too little
c. small supply of plant nutrients
d. well-supplied with nutrients for producers
e. excessive nutrients
____ 37. In lakes, large numbers of decomposers are found in the
a. limnetic zone
b. benthic zone
c. littoral zone
d. profundal zone
e. abyssal zone
____ 38. If you fish for trout, you would be most likely to seek out which part of a stream?
a. source zone
b. benthic zone
c. transition zone
d. floodplain zone
e. profundal zone
____ 39. Four of the following are ecological and economic services provided by inland wetlands; one is not. Choose
the one that is not.
a. filtering and degrading toxic wastes and pollutants
b. stopping the recharge of groundwater aquifers
c. reducing flooding and erosion caused by storms
d. helping to replenish stream flow during dry periods
e. helping to maintain biodiversity by providing habitats
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Name: ________________________
ID: A
____ 40. Most of the wetlands that are lost are used for
a. mining
b. urban development
c. agriculture
d. forestry
e. recreation
Completion
Complete each statement.
41. Tropical savannas in East Africa have herds of ____________________ and ____________________ hoofed
animals.
42. Vegetation layers in the tropical rain forests are structured mostly according to plants' need for
____________________.
43. In terms of biodiversity, coral reefs are the marine equivalent of _______________.
44. The ____________________ is the largest of the four oceans, which contains more than
____________________ of the earth's water.
45. The vertical zones of the open sea (euphotic, bathyal, and abyssal) are based primarily on
____________________.
46. Once past the coastal zone, beyond the continental shelf, the ocean is called the ____________________.
47. A lake is a(n) ____________________ body of freshwater, which also includes ponds and inland wetlands.
48. Lakes that fall between the extremes of nutrient rich eutrophic lakes and nutrient poor oligotrophic lakes are
called _______________ lakes.
49. Precipitation that does not sink into the ground or evaporate is ____________________.
50. Surface water becomes ____________________ when it flows into streams.
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Name: ________________________
ID: A
Other
Global Air Circulation
Use the Figure above to answer the following question(s).
51. Choose the letter(s) that represent(s) tropical deciduous forest and grasslands.
52. Choose the letter(s) that represent(s) moist air rising, cooling, and forming precipitation.
53. Choose the letter(s) that represent(s) temperate deciduous forest.
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Name: ________________________
ID: A
Use the Figure above to answer the following question(s).
54. Do any of the three deserts types receive a majority of their precipitation during the summer months
(warmest period)?
9
Name: ________________________
ID: A
Use the Figure above to answer the following question(s).
55. How much of the year is the Arctic tundra below the freezing point?
10
Name: ________________________
ID: A
Use the Figure above to answer the following question(s).
56. When is the dry season in the tropical rain forest?
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Name: ________________________
ID: A
Major Life Zones and Vertical Zones
Use the Figure above to answer the following question(s).
57. Choose the zone in which most organisms are blind or have poor eyesight.
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Name: ________________________
ID: A
Temperate-Zone Lake Life Zones
Use the Figure above to answer the following question(s).
58. Choose the zone primarily inhabited by invertebrates, such as decomposers, that can live in the low oxygen.
59. Choose the zone of open water where photosynthesis can occur.
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