Question 1

Examples of terrestrial biomes are grasslands,forests,lakes,and deserts.

Accepted Answer

A) True 
 B)False

Question 2

What is a challenge that organisms living in an estuary face that other aquatic organisms normally do not face?

Accepted Answer

A)  Changes in temperature at different depths
B)  Daily changes in salinity
C)  Movement of water
D)  Light only penetrates through the photic zone
E)  Damage from pollutionF) A) and B)
G) All of the above

Question 3

What is a challenge that organisms living in an intertidal zone face that other aquatic organisms normally do not face?

Accepted Answer

A)  Damage from pollution
B)  Changes in temperature at different depths
C)  Movement of water
D)  Light only penetrates through the photic zone
E)  Daily changes in water depthF) A) and D)
G) A) and E)

Question 4

Most of the ocean is profundal,but in the open ocean most primary productivity is in the photic zone because ___________.

Accepted Answer

A)  Phytoplankton need nutrients for photosynthesis
B)  Rooted aquatic plants need light for photosynthesis
C)  Rooted aquatic plants need nutrients for photosynthesis
D)  Phytoplankton need light for photosynthesisE) A) and B)
F) None of the above

Question 5

The Earth has an essentially constant tilt of ____________ on its axis from its plane of orbit.

Accepted Answer

A)  12.5 degrees
B)  23.5 degrees
C)  30 degrees
D)  9 degrees
E)  5.5 degreesF) C) and E)
G) B) and E)

Question 6

Nutrient-rich lakes are termed eutrophic.

Accepted Answer

A) True 
 B)False

Question 7

An El Nino occurs about every:

Accepted Answer

A)  Year
B)  Ten years
C)  Twelve to fifteen years
D)  Two to seven years
E)  Fifty yearsF) A) and C)
G) All of the above

Question 8

Why are estuaries and coral reefs more productive than deeper regions of the ocean?

Accepted Answer

A)  They have more access to light and nutrients
B)  They have more access to light and lower salt concentrations in the water
C)  They have more access to light
D)  They have more access to nutrients and lower salt concentrations in the water
E)  They have lower salt concentrations in the waterF) A) and D)
G) A) and C)

Question 9

An El Nino brings warm water to the coasts of:

Accepted Answer

A)  Brazil and Argentina
B)  Peru and Ecuador
C)  Brazil and Chile
D)  Ecuador and Brazil
E)  Chile and ArgentinaF) A) and E)
G) A) and C)

Question 10

An El Nino is periodic global climate shift in which a slack in the trade winds sends unusually ______ water from the western _______________ ocean eastward.

Accepted Answer

A)  Cold, Arctic
B)  Warm, Atlantic
C)  Cold, Atlantic
D)  Cold, Pacific
E)  Warm, PacificF) A) and B)
G) D) and E)

Question 11

Producers in hydrothermal vent ecosystems use ___ as their source of energy.

Accepted Answer

A)  Sunlight
B)  Radiation
C)  Acidity
D)  Chemicals
E)  WaterF) None of the above
G) D) and E)

Question 12

As temperatures in an African savanna increase and rainfall decreases,it would most likely change into ____.

Accepted Answer

A)  Tiaga
B)  Desert
C)  Tropical rainforest
D)  Temperate forest
E)  TundraF) D) and E)
G) B) and E)

Question 13

The area of an ocean between the coast and the edge of the continental shelf is the:

Accepted Answer

A)  Benthic zone
B)  Neritic zone
C)  Pelagic zone
D)  Intertidal zone
E)  Littoral zoneF) A) and D)
G) A) and E)

Question 14

An El Nino prevents:

Accepted Answer

A)  Cold, nutrient rich waters from rising to the surface
B)  Warm, nutrient poor waters from rising to the surface
C)  Cold, nutrient poor waters from rising to the surface
D)  Warm, nutrient rich waters from rising to the surfaceE) B) and C)
F) C) and D)

Question 15

Convection cells are involved in warm moist air rising from the equator and descending near 20-30 degrees from the equator.They are partially responsible for the distribution of which two biomes?

Accepted Answer

A)  Tropical rain forests & temperate grasslands
B)  Boreal forests & subtropical deserts
C)  Tropical rain forests & subtropical deserts
D)  Tropical rain forests & arctic tundra
E)  Boreal forests & temperate forestsF) A) and D)
G) A) and B)

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)  Three hundred
B)  Two hundred
C)  One hundred
D)  Fifty
E)  TenF) A) and B)
G) B) and E)

Question 17

If you went diving in a freshwater lake you would see very few rooted aquatic plants after a certain depth.What would limit plant growth in deeper water?

Accepted Answer

A)  Cold temperatures
B)  A lack of nutrients
C)  A lack of light
D)  Too many herbivores
E)  A lack of oxygenF) B) and E)
G) A) and C)

Question 18

The upper layer of the Pelagic zone is the:

Accepted Answer

A)  Benthic zone
B)  Limnetic zone
C)  Estuary
D)  Photic zone
E)  Continental shelfF) B) and D)
G) All of the above

Question 19

Which of the following is not a characteristic of tundra?

Accepted Answer

A)  High latitude
B)  Permafrost
C)  Contains conifers
D)  Contains mosses and lichens
E)  Short growing season for plantsF) D) and E)
G) B) and C)

Question 20

Older lakes that are nutrient rich and have high productivity are termed:

Accepted Answer

A)  Oligotrophic
B)  Eutrophic
C)  Pelagic
D)  Benthic
E)  None of the above are correctF) B) and D)
G) A) and B)

Exam 38: The Biosphere

An El Nino is periodic global climate shift in which a slack in the trade winds sends unusually ______ water from the western _______________ ocean eastward.

Correct AnswerverifiedShow Answer

Examples of terrestrial biomes are grasslands,forests,lakes,and deserts.

Correct AnswerverifiedShow Answer

Older lakes that are nutrient rich and have high productivity are termed:

Correct AnswerverifiedShow Answer

Producers in hydrothermal vent ecosystems use ___ as their source of energy.

Correct AnswerverifiedShow Answer

Nutrient-rich lakes are termed eutrophic.

Correct AnswerverifiedShow Answer

The Earth has an essentially constant tilt of ____________ on its axis from its plane of orbit.

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 went diving in a freshwater lake you would see very few rooted aquatic plants after a certain depth.What would limit plant growth in deeper water?

Correct AnswerverifiedShow Answer

What is a challenge that organisms living in an intertidal zone face that other aquatic organisms normally do not face?

Correct AnswerverifiedShow Answer

An El Nino occurs about every:

Correct AnswerverifiedShow Answer

The upper layer of the Pelagic zone is the:

Correct AnswerverifiedShow Answer

What is a challenge that organisms living in an estuary face that other aquatic organisms normally do not face?

Correct AnswerverifiedShow Answer

Which of the following is not a characteristic of tundra?

Correct AnswerverifiedShow Answer

Why are estuaries and coral reefs more productive than deeper regions of the ocean?

Correct AnswerverifiedShow Answer

As temperatures in an African savanna increase and rainfall decreases,it would most likely change into ____.

Correct AnswerverifiedShow Answer

An El Nino brings warm water to the coasts of:

Correct AnswerverifiedShow Answer

Most of the ocean is profundal,but in the open ocean most primary productivity is in the photic zone because ___________.

Correct AnswerverifiedShow Answer

The area of an ocean between the coast and the edge of the continental shelf is the:

Correct AnswerverifiedShow Answer

Convection cells are involved in warm moist air rising from the equator and descending near 20-30 degrees from the equator.They are partially responsible for the distribution of which two biomes?

Correct AnswerverifiedShow Answer

An El Nino prevents:

Correct AnswerverifiedShow Answer

An El Nino is periodic global climate shift in which a slack in the trade winds sends unusually water from the western _________ ocean eastward.

Correct Answer
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