Question 1

-What environmental factor does not change between "b" and "e" in the diagram?

Accepted Answer

A) Light penetration 
B) Temperature 
C) Nutrient availability 
D) Oxygen content 
E) All of these change between "b" and "e." 
A) Light penetration 
B) Temperature 
C) Nutrient availability 
D) Oxygen content 
E) All of these change between "b" and "e." E

Question 2

A biome is described by:

Accepted Answer

A) A specified bioregion 
B) Broadly similar environmental conditions 
C) A watershed divide, generally 
D) Geographic location 
E) Large landforms in the area 
A) A specified bioregion 
B) Broadly similar environmental conditions 
C) A watershed divide, generally 
D) Geographic location 
E) Large landforms in the area B

Question 3

Which of the following is NOT a region in a lake ecosystem?

Accepted Answer

A) Hypolimnion zone 
B) Pelagic zone 
C) Epilimnion 
D) Littoral zone 
A) Hypolimnion zone 
B) Pelagic zone 
C) Epilimnion 
D) Littoral zone B

Question 4

Barrier islands are formed of

Accepted Answer

A) Wind- and wave-deposited sand 
B) Volcanic debris 
C) Silt and mud left by estuaries 
D) Coral deposits 
E) Coral reef formations 
A) Wind- and wave-deposited sand 
B) Volcanic debris 
C) Silt and mud left by estuaries 
D) Coral deposits 
E) Coral reef formations

Question 5

Boreal forests are generally

Accepted Answer

A) Cold and dry, with extensive barren areas 
B) Warm and humid, with large rivers 
C) Dry because water is frozen most of the year 
D) Slow-growing because of the cold temperatures 
E) Soggy in the summer because of permafrost 
A) Cold and dry, with extensive barren areas 
B) Warm and humid, with large rivers 
C) Dry because water is frozen most of the year 
D) Slow-growing because of the cold temperatures 
E) Soggy in the summer because of permafrost

Question 6

Tree growth in the taiga is limited by

Accepted Answer

A) The increased soil salt content from ocean tides 
B) Intense heat and dryness 
C) Competition from fast-growing grasses 
D) The lack of large predators 
E) Extreme cold and short summers 
A) The increased soil salt content from ocean tides 
B) Intense heat and dryness 
C) Competition from fast-growing grasses 
D) The lack of large predators 
E) Extreme cold and short summers

Question 7

_____________ is where fresh water mixes with ocean water.

Accepted Answer

A) A swamp 
B) A mangrove forest 
C) A delta 
D) An estuary 
A) A swamp 
B) A mangrove forest 
C) A delta 
D) An estuary

Question 8

Morpheus, Trinity, and Neo are on the wet western coast of North America and as they look around, they see lots of mosses, lichens, and ferns covering the tree branches.Condensation from fog on the leaves is a major form of precipitation.Where are they?

Accepted Answer

A) Temperate rainforest 
B) Boreal forest 
C) Tropical rainforest 
D) Southern pine forest 
E) Tropical savannah 
A) Temperate rainforest 
B) Boreal forest 
C) Tropical rainforest 
D) Southern pine forest 
E) Tropical savannah

Question 9

Freshwater ecosystems

Accepted Answer

A) Lack oxygen 
B) Lack carbon dioxide 
C) Include lakes, marshes, bogs, and fens 
D) Do not contain thermoclines 
E) Are not affected by nutrient availability 
A) Lack oxygen 
B) Lack carbon dioxide 
C) Include lakes, marshes, bogs, and fens 
D) Do not contain thermoclines 
E) Are not affected by nutrient availability

Question 10

An ecologist from your school who specializes in temperate forest ecology is touring the rainforests of Peru.You are giving her the first tour of the primary forest and she comments on the differences she notices between this ecosystem and the temperate ecosystem she is familiar with.Relate three of the differences she noted and explain what factors in each ecosystem lead to the differences.

Accepted Answer

The answer of An ecologist from your school who specializes...

Question 11

The difference between a wetland and a swamp is that ________.

Accepted Answer

A) Wetlands only occur at coastal areas. 
B) Wetlands are covered in water according to the tide. 
C) A swamp has trees and a wetland does not. 
D) Swamps are always covered in water and wetlands have seasonally high water levels. 
A) Wetlands only occur at coastal areas. 
B) Wetlands are covered in water according to the tide. 
C) A swamp has trees and a wetland does not. 
D) Swamps are always covered in water and wetlands have seasonally high water levels.

Question 12

The coral reef is among the most endangered biological communities.

Accepted Answer

A) True 
 B)False

Question 13

A biome absent from Europe is the:

Accepted Answer

A) Temperate deciduous forest 
B) Alpine tundra 
C) Desert 
D) Tropical rainforest 
E) Temperate rainforest 
A) Temperate deciduous forest 
B) Alpine tundra 
C) Desert 
D) Tropical rainforest 
E) Temperate rainforest

Question 14

Estuaries are noted by biologists because they have few, but highly specialized biological niches.

Accepted Answer

A) True 
 B)False

Question 15

The biome type that has a short growing season and is summer feeding and breeding grounds for caribou and musk-ox is the

Accepted Answer

A) Temperate grassland 
B) Bog or fen 
C) Boreal forest 
D) Arctic tundra 
E) Arctic desert 
A) Temperate grassland 
B) Bog or fen 
C) Boreal forest 
D) Arctic tundra 
E) Arctic desert

Question 16

-Oxygen levels are lowest in what section in the diagram?

Accepted Answer

A) A 
B) B 
C) C 
D) D 
E) E 
A) A 
B) B 
C) C 
D) D 
E) E

Question 17

Why are the North Atlantic, North Pacific, and Antarctic waters the most productive?

Accepted Answer

A) Phytoplankton grow there because they do not like direct sunlight. 
B) Cold water holds the most dissolved oxygen and can therefore support greater numbers of phytoplankton. 
C) Those waters are the most violently mixed, bringing up nutrients from the depths of the ocean. 
D) The melt waters of the nearby ice have nutrients that are released in high quantities, fertilizing the phytoplankton. 
A) Phytoplankton grow there because they do not like direct sunlight. 
B) Cold water holds the most dissolved oxygen and can therefore support greater numbers of phytoplankton. 
C) Those waters are the most violently mixed, bringing up nutrients from the depths of the ocean. 
D) The melt waters of the nearby ice have nutrients that are released in high quantities, fertilizing the phytoplankton.

Question 18

Which type of wetland is noted for producing peat?

Accepted Answer

A) Swamps 
B) Marshes 
C) Bogs and fens 
D) Estuaries 
E) Coastal areas 
A) Swamps 
B) Marshes 
C) Bogs and fens 
D) Estuaries 
E) Coastal areas

Question 19

Tundra biomes occur

Accepted Answer

A) At high latitudes, where temperatures are low 
B) Where rainfall is too great for tree growth 
C) Only at high latitudes 
D) Almost exclusively on Antarctica 
E) At high latitudes and altitudes, where the growing season is short 
A) At high latitudes, where temperatures are low 
B) Where rainfall is too great for tree growth 
C) Only at high latitudes 
D) Almost exclusively on Antarctica 
E) At high latitudes and altitudes, where the growing season is short

Question 20

Having needle-shaped leaves benefits plants because needles

Accepted Answer

A) Reduce water loss and endure cold winters 
B) Are more efficient at photosynthesis because they are dark green 
C) Help evaporate water more efficiently 
D) Do not rot in the excessive rainfall that characterizes coniferous forests 
E) Are less resistant to strong winds 
A) Reduce water loss and endure cold winters 
B) Are more efficient at photosynthesis because they are dark green 
C) Help evaporate water more efficiently 
D) Do not rot in the excessive rainfall that characterizes coniferous forests 
E) Are less resistant to strong winds

Exam 5: Biomes

-What environmental factor does not change between "b" and "e" in the diagram?

A biome is described by:

Which of the following is NOT a region in a lake ecosystem?

Barrier islands are formed of

Boreal forests are generally

Tree growth in the taiga is limited by

_____________ is where fresh water mixes with ocean water.

Morpheus, Trinity, and Neo are on the wet western coast of North America and as they look around, they see lots of mosses, lichens, and ferns covering the tree branches.Condensation from fog on the leaves is a major form of precipitation.Where are they?

Freshwater ecosystems

The difference between a wetland and a swamp is that ________.

The coral reef is among the most endangered biological communities.

A biome absent from Europe is the:

Estuaries are noted by biologists because they have few, but highly specialized biological niches.

The biome type that has a short growing season and is summer feeding and breeding grounds for caribou and musk-ox is the

-Oxygen levels are lowest in what section in the diagram?

Why are the North Atlantic, North Pacific, and Antarctic waters the most productive?

Which type of wetland is noted for producing peat?

Tundra biomes occur

Having needle-shaped leaves benefits plants because needles

Understanding Our Environment

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