Question 1

The portion of a lake or stream that harbors worms,clams,and other organisms is the

Accepted Answer

A) littoral zone. 
B) limnetic zone. 
C) profundal zone. 
D) benthic zone. 
E) abyssal zone. 
A) littoral zone. 
B) limnetic zone. 
C) profundal zone. 
D) benthic zone. 
E) abyssal zone. D

Question 2

Which association between zone and description is NOT correct?

Accepted Answer

A) littoral - lake zone closest to shore 
B) benthic - stream,lake,or ocean floor 
C) limnetic - lake zone on surface away from shore 
D) bathypelagic - sunlit portion of the ocean 
A) littoral - lake zone closest to shore 
B) benthic - stream,lake,or ocean floor 
C) limnetic - lake zone on surface away from shore 
D) bathypelagic - sunlit portion of the ocean D

Question 3

Incoming solar radiation affects

Accepted Answer

A) the rise and fall of air masses. 
B) evaporation or precipitation of moisture. 
C) the seasons. 
D) All of these choices are directly or indirectly affected by solar radiation. 
E) None of these are correct. 
A) the rise and fall of air masses. 
B) evaporation or precipitation of moisture. 
C) the seasons. 
D) All of these choices are directly or indirectly affected by solar radiation. 
E) None of these are correct. D

Question 4

Which of the following pairs of zones are comparable?

Accepted Answer

A) Epipelagic - Benthic 
B) Mesopelagic - Profundal 
C) Littoral - Bathypelagic 
D) Mesopelagic - Epipelagic 
E) Epipelagic - Limnetic Incorrect 
A) Epipelagic - Benthic 
B) Mesopelagic - Profundal 
C) Littoral - Bathypelagic 
D) Mesopelagic - Epipelagic 
E) Epipelagic - Limnetic Incorrect

Question 5

A forest found in a broad belt in northern Eurasia and North America,with conifers and swamps,is called the

Accepted Answer

A) tropical rain forest. 
B) tundra. 
C) taiga. 
D) chaparral. 
E) temperate deciduous forest. 
A) tropical rain forest. 
B) tundra. 
C) taiga. 
D) chaparral. 
E) temperate deciduous forest.

Question 6

Which aquatic zone will provide habitat for invertebrates and many small fish?

Accepted Answer

A) Littoral zone 
B) Profundal zone 
C) Epipelagic zone 
D) Limnetic Zone 
A) Littoral zone 
B) Profundal zone 
C) Epipelagic zone 
D) Limnetic Zone

Question 7

As the Earth moves from the Summer solstice towards the Vernal equinox the equatorial regions of the Earth will be in direct alignment with the sun.

Accepted Answer

A) True 
 B)False

Question 8

When a cold,ocean current brings rich nutrients to the surface and influences the climate of the region,it is called a(n)

Accepted Answer

A) guano. 
B) lake effect. 
C) upwelling. 
D) monsoon. 
E) profundal zone. 
A) guano. 
B) lake effect. 
C) upwelling. 
D) monsoon. 
E) profundal zone.

Question 9

The temperature is nearly uniform throughout a lake

Accepted Answer

A) during winter when the ice forms an insulating cover. 
B) during summer when the sunlight warms the surface and the wind mixes the layers. 
C) by the end of the fall and spring overturn. 
D) at all times due to winds causing constant mixing of the layers. 
E) never.The lake always has different temperature layers and they are reversed in winter and summer. 
A) during winter when the ice forms an insulating cover. 
B) during summer when the sunlight warms the surface and the wind mixes the layers. 
C) by the end of the fall and spring overturn. 
D) at all times due to winds causing constant mixing of the layers. 
E) never.The lake always has different temperature layers and they are reversed in winter and summer.

Question 10

The part of a body of water where light does not penetrate is the

Accepted Answer

A) littoral zone. 
B) benthic division. 
C) pelagic division. 
D) profundal zone. 
E) limnetic zone. 
A) littoral zone. 
B) benthic division. 
C) pelagic division. 
D) profundal zone. 
E) limnetic zone.

Question 11

Climate is affected and/or characterized by all of the following factors EXCEPT

Accepted Answer

A) temperature. 
B) variations in solar radiation distribution. 
C) topography. 
D) soil type 
E) rainfall. 
A) temperature. 
B) variations in solar radiation distribution. 
C) topography. 
D) soil type 
E) rainfall.

Question 12

A rain shadow is the region where heavy condensation precipitates out,as warm,moist air rises and then cools on the windward side of mountain ranges.

Accepted Answer

A) True 
 B)False

Question 13

All of the following are terrestrial biomes EXCEPT

Accepted Answer

A) tundra. 
B) lentic systems. 
C) coniferous forests. 
D) savannas. 
E) deserts. 
A) tundra. 
B) lentic systems. 
C) coniferous forests. 
D) savannas. 
E) deserts.

Question 14

What occurs to air currents as they travel from 600 north towards the pole?

Accepted Answer

A) The warmed air will rise and cool producing a low pressure area with high rainfall. 
B) The warmed air will rise and cool producing a low pressure area with low rainfall. 
C) The cool air will rise and warm up producing a low pressure area with high rainfall. 
D) The cool air will rise producing a high pressure area with low rainfall. 
A) The warmed air will rise and cool producing a low pressure area with high rainfall. 
B) The warmed air will rise and cool producing a low pressure area with low rainfall. 
C) The cool air will rise and warm up producing a low pressure area with high rainfall. 
D) The cool air will rise producing a high pressure area with low rainfall.

Question 15

The largest biome on Earth is the

Accepted Answer

A) tundra. 
B) taiga. 
C) temperate deciduous forest. 
D) desert. 
E) ocean (marine aquatic). 
A) tundra. 
B) taiga. 
C) temperate deciduous forest. 
D) desert. 
E) ocean (marine aquatic).

Question 16

Which of the following events will occur as an ocean current moves from an equatorial region towards a polar region?

Accepted Answer

A) The current will be warm as it leaves the equatorial region and begins to cool as it moves towards the polar region.This in turn will cause the air currents to become cooler as they move closer to the poles creating a tundra type of biome. 
B) The current will be cool as it leaves the equatorial region and begins to warm as it moves towards the polar region.This in turn will cause the air currents to become cooler as they move closer to the poles creating a tundra type of biome. 
C) The current will be warm as it leaves the equatorial region and begins to cool as it moves towards the polar region.This in turn will cause the air currents to become warmer as they move closer to the poles creating a grassland type of biome. 
D) The current will be warm as it leaves the equatorial region and begins to cool as it moves towards the polar region.This in turn will cause the air currents to become warmer as they move closer to the poles creating a desert type of biome. 
E) The current will be warm as it leaves the equatorial region and become even warmer as it moves towards the polar region.This in turn will cause the air currents to become warmer and drier as they move closer to the poles creating a tundra type of biome. 
A) The current will be warm as it leaves the equatorial region and begins to cool as it moves towards the polar region.This in turn will cause the air currents to become cooler as they move closer to the poles creating a tundra type of biome. 
B) The current will be cool as it leaves the equatorial region and begins to warm as it moves towards the polar region.This in turn will cause the air currents to become cooler as they move closer to the poles creating a tundra type of biome. 
C) The current will be warm as it leaves the equatorial region and begins to cool as it moves towards the polar region.This in turn will cause the air currents to become warmer as they move closer to the poles creating a grassland type of biome. 
D) The current will be warm as it leaves the equatorial region and begins to cool as it moves towards the polar region.This in turn will cause the air currents to become warmer as they move closer to the poles creating a desert type of biome. 
E) The current will be warm as it leaves the equatorial region and become even warmer as it moves towards the polar region.This in turn will cause the air currents to become warmer and drier as they move closer to the poles creating a tundra type of biome.

Question 17

The Humboldt Current runs along the coast of South America carrying nitrogen rich cold water northward.

Accepted Answer

A) True 
 B)False

Question 18

A treeless region with little rainfall in the far north is the

Accepted Answer

A) grassland. 
B) tundra. 
C) taiga. 
D) chaparral. 
E) desert. 
A) grassland. 
B) tundra. 
C) taiga. 
D) chaparral. 
E) desert.

Question 19

Due to it's high productivity and biological diversity this biome is considered the "nursery" of the sea.

Accepted Answer

A) rocky beach. 
B) sandy beach. 
C) estuary. 
D) coral reef. 
E) ocean floor. 
A) rocky beach. 
B) sandy beach. 
C) estuary. 
D) coral reef. 
E) ocean floor.

Question 20

If the mean annual precipitation of a region,currently characterized by grasslands,was to increase by 50 cm per year,what type of biome(s)would evolve in that region?

Accepted Answer

A) temperate forests 
B) savanna 
C) deserts and tropical rainforests 
D) taiga and temperate rainforests 
E) temperate forests and shrublands 
A) temperate forests 
B) savanna 
C) deserts and tropical rainforests 
D) taiga and temperate rainforests 
E) temperate forests and shrublands

Exam 46: Major Ecosystems of the Biosphere

The portion of a lake or stream that harbors worms,clams,and other organisms is the

Which association between zone and description is NOT correct?

Incoming solar radiation affects

Which of the following pairs of zones are comparable?

A forest found in a broad belt in northern Eurasia and North America,with conifers and swamps,is called the

Which aquatic zone will provide habitat for invertebrates and many small fish?

As the Earth moves from the Summer solstice towards the Vernal equinox the equatorial regions of the Earth will be in direct alignment with the sun.

When a cold,ocean current brings rich nutrients to the surface and influences the climate of the region,it is called a(n)

The temperature is nearly uniform throughout a lake

The part of a body of water where light does not penetrate is the

Climate is affected and/or characterized by all of the following factors EXCEPT

A rain shadow is the region where heavy condensation precipitates out,as warm,moist air rises and then cools on the windward side of mountain ranges.

All of the following are terrestrial biomes EXCEPT

What occurs to air currents as they travel from 600 north towards the pole?

The largest biome on Earth is the

Which of the following events will occur as an ocean current moves from an equatorial region towards a polar region?

The Humboldt Current runs along the coast of South America carrying nitrogen rich cold water northward.

A treeless region with little rainfall in the far north is the

Due to it's high productivity and biological diversity this biome is considered the "nursery" of the sea.

If the mean annual precipitation of a region,currently characterized by grasslands,was to increase by 50 cm per year,what type of biome(s)would evolve in that region?

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What occurs to air currents as they travel from 60⁰ north towards the pole?