Question 1

The sediment at the lake bottom is the _____ zone.

Accepted Answer

A)   littoral
B)   limnetic
C)   profundal
D)   benthic
E)   pelagicF) A) and B)
G) B) and C)

Question 2

The shallow shoreline region of a lake where enough light reaches the bottom for photosynthesis to occur is the _____ zone.

Accepted Answer

A)   limnetic
B)   littoral
C)   profundal
D)   pelagic
E)   benthicF) B) and E)
G) B) and C)

Question 3

The major types of ecosystems are termed

Accepted Answer

A)   habitats.
B)   niches.
C)   biospheres.
D)   terrestrial zones.
E)   biomes.F) All of the above
G) A) and C)

Question 4

Studies of modern biomes and changes in them can help us understand the history of biomes earlier in evolution.

Accepted Answer

A) True 
 B)False

Question 5

A term which applies to most trees which lose only a few leaves at a time is

Accepted Answer

A)   deciduous.
B)   carnivorous.
C)   maple.
D)   hickory.
E)   coniferous.F) All of the above
G) B) and C)

Question 6

The upper layer of the pelagic zone is the

Accepted Answer

A)   benthic zone.
B)   limnetic zone.
C)   estuary.
D)   photic zone.
E)   continental shelf.F) B) and D)
G) C) and D) D

Question 7

Water covers about ____ of the earth's surface.

Accepted Answer

A)   33%
B)   40%
C)   50%
D)   70%
E)   80%F) A) and E)
G) C) and D)

Question 8

Desert plants often have

Accepted Answer

A)   broad leaves.
B)   thick vines.
C)   long taproots.
D)   shallow roots.
E)   soft bark.F) A) and E)
G) B) and D)

Question 9

Why would rapid change in climate potentially lead to ecological problems?

Accepted Answer

A)   Evolution is unlikely to occur quickly enough to keep pace with biome changes.
B)   Animals don't migrate fast enough.
C)   Most biome shifts lead to rainforest formation and shading out of native plants.
D)   Water availability will decrease, driving aquatic species extinct.
E)   All of the answer choices are correct.F) B) and D)
G) A) and B)

Question 10

If you were told that you would be blindfolded and left in the taiga,what characteristic of this biome could help you confirm that you had indeed been left there?

Accepted Answer

A)   The trees are mostly coniferous.
B)   The taiga has nutrient-rich soil.
C)   The year has a long growing season.
D)   The air is warm and dry.
E)   The flora consists of mosses and lichens.F) C) and D)
G) B) and E)

Question 11

The earth has an essentially constant tilt of _____ on its axis from its plane of orbit.

Accepted Answer

A)   5.5°
B)   9°
C)   12.5°
D)   23.5°
E)   30°F) B) and D)
G) B) and E)

Question 12

Streams include brooks,creeks,and rivers that carry water and sediment toward the ocean or an interior basin.

Accepted Answer

A) True 
 B)False

Question 13

The area of an ocean between the coast and the edge of the continental shelf is the _____ zone.

Accepted Answer

A)   benthic
B)   neritic
C)   pelagic
D)   intertidal
E)   littoralF) A) and D)
G) B) and E) B

Question 14

Studies in the Southern Hemisphere have shown that plants that shifted biomes between generations usually migrated to a biome similar to the one that they left.

Accepted Answer

A) True 
 B)False

Question 15

Which of the following is a major component of soil?

Accepted Answer

A)   rock fragments
B)   organic matter
C)   microbes
D)   bacteria
E)   All of the answer choices are correct.F) A) and D)
G) C) and D)

Question 16

It is amazing that life can exist around deep sea hydrothermal vents because the pressure is ___________ times greater than on the surface of the earth.

Accepted Answer

A)   300
B)   200
C)   100
D)   50
E)   10F) B) and C)
G) C) and D)

Question 17

If you were taking a long trip and wanted to describe the different biomes which you encountered,you would note things like temperature,precipitation,kinds of plants,and kinds of animals.

Accepted Answer

A) True 
 B)False

Question 18

The biosphere is defined as the portion of _____ where life exists.

Accepted Answer

A)   the earth
B)   the atmosphere
C)   the ocean
D)   land on earth
E)   fresh and salt waterF) B) and C)
G) B) and E)

Question 19

Nutrient-rich lakes are termed oligotrophic.

Accepted Answer

A) True 
 B)False  False

Question 20

Oceanic currents help to determine coastal climates based on the temperature of the water which they carry.

Accepted Answer

A) True 
 B)False

Exam 39: Biomes

The sediment at the lake bottom is the _____ zone.

Correct AnswerverifiedShow Answer

The shallow shoreline region of a lake where enough light reaches the bottom for photosynthesis to occur is the _____ zone.

Correct AnswerverifiedShow Answer

The major types of ecosystems are termed

Correct AnswerverifiedShow Answer

Studies of modern biomes and changes in them can help us understand the history of biomes earlier in evolution.

Correct AnswerverifiedShow Answer

A term which applies to most trees which lose only a few leaves at a time is

Correct AnswerverifiedShow Answer

The upper layer of the pelagic zone is the

Correct AnswerverifiedD

Water covers about ____ of the earth's surface.

Correct AnswerverifiedShow Answer

Desert plants often have

Correct AnswerverifiedShow Answer

Why would rapid change in climate potentially lead to ecological problems?

Correct AnswerverifiedShow Answer

If you were told that you would be blindfolded and left in the taiga,what characteristic of this biome could help you confirm that you had indeed been left there?

Correct AnswerverifiedShow Answer

The earth has an essentially constant tilt of _____ on its axis from its plane of orbit.

Correct AnswerverifiedShow Answer

Streams include brooks,creeks,and rivers that carry water and sediment toward the ocean or an interior basin.

Correct AnswerverifiedShow Answer

The area of an ocean between the coast and the edge of the continental shelf is the _____ zone.

Correct AnswerverifiedB

Studies in the Southern Hemisphere have shown that plants that shifted biomes between generations usually migrated to a biome similar to the one that they left.

Correct AnswerverifiedShow Answer

Which of the following is a major component of soil?

Correct AnswerverifiedShow Answer

It is amazing that life can exist around deep sea hydrothermal vents because the pressure is ___________ times greater than on the surface of the earth.

Correct AnswerverifiedShow Answer

If you were taking a long trip and wanted to describe the different biomes which you encountered,you would note things like temperature,precipitation,kinds of plants,and kinds of animals.

Correct AnswerverifiedShow Answer

The biosphere is defined as the portion of _____ where life exists.

Correct AnswerverifiedShow Answer

Nutrient-rich lakes are termed oligotrophic.

Correct AnswerverifiedFalse

Oceanic currents help to determine coastal climates based on the temperature of the water which they carry.

Correct AnswerverifiedShow Answer

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D

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B

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False

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