Question 1

Use the following graph to answer the question.
 
-Temperate forest biomes would fall in the area marked by the letter

Accepted Answer

A)   A
B)   B
C)   C
D)   D
E)   EF) B) and E)
G) All of the above

Question 2

What is unique about the Mediterranean climate area biome?

Accepted Answer

A)   It is a highly desirable place to live.
B)   It is only found in the Mediterranean area.
C)   It has very poor soil but supports an extremely diverse array of species.
D)   It has a large total area.
E)   It contains a high number of unique species.F) B) and C)
G) All of the above

Question 3

What biome is characterized by moderate temperatures and abundant precipitation?

Accepted Answer

A)   chaparral
B)   tropical rainforest
C)   temperate rainforest
D)   taiga
E)   No biome has moderate temperatures and abundant precipitation.F) B) and D)
G) A) and D)

Question 4

Tropical moist forests have high species diversity because they have highly developed, diverse niche opportunities and habitats.

Accepted Answer

A) True 
 B)False

Question 5

Which of the following is true?

Accepted Answer

A)   Humans may have been causing extinctions thousands of years ago, but our impact has recently increased.
B)   Humans are responsible for many of the mass extinctions in the geologic record.
C)   Humans only began causing extinctions in the past 150 years.
D)   Humans have never had significant impact on species extinctions until the past four decades.
E)   Humans have been causing extinctions for thousands of years and we are still causing extinctions at about the same rate.F) B) and D)
G) B) and E)

Question 6

The primary difference between a bog and a fen is

Accepted Answer

A)   fens are fed by groundwater, bogs are fed by rainfall.
B)   fens have many trees, bogs have none.
C)   fens are always on the coast, bogs are inland.
D)   All of these are differences between fens and bogs.
E)   There are no differences between fens and bogs, they are synonymous.F) B) and D)
G) B) and C)

Question 7

One biome type that has not been as badly threatened as other biomes is

Accepted Answer

A)   arctic tundra.
B)   tropical rainforests.
C)   grasslands.
D)   temperate forests.
E)   southern pine forests.F) C) and D)
G) All of the above

Question 8

The total number of living species is probably

Accepted Answer

A)   about 450,000.
B)   between 500,000 and 1 million.
C)   between 3 million and 50 million.
D)   between 75 and 95 million.
E)   at least 300 million.F) B) and E)
G) B) and C)

Question 9

Historically, the greatest threat to grasslands has been

Accepted Answer

A)   damage by off-road vehicles.
B)   air pollution.
C)   conversion to farmland.
D)   global climate change.
E)   mineral extraction.F) A) and D)
G) A) and C) C

Question 10

You have just been beamed into a biome that has relatively stable temperatures and abundant rainfall. Along with your laser gun, your compass, and rain poncho, you have a graph of precipitation and temperature similar to the one above. Which letter marks the area you are in?

Accepted Answer

A)   A
B)   B
C)   C
D)   D
E)   EF) None of the above
G) A) and D)

Question 11

In contrast with the ______________, the soil of the ______________ is more nutrient-rich and this type of biome has fewer insects, parasites, and fungal diseases. Therefore, in many places, these areas are highly endangered.

Accepted Answer

A)   temperate grasslands; tropical seasonal forest
B)   tropical rainforest; tropical seasonal forest
C)   tundra; boreal forests
D)   tropical seasonal forest; tropical rainforest
E)   boreal forests; tundraF) A) and B)
G) B) and D) B

Question 12

Species diversity is most concentrated in

Accepted Answer

A)   North America and Europe.
B)   South America, Africa, and Southeast Asia.
C)   South Africa, Australia, and Europe.
D)   Oceania, East Asia, and Antarctica.
E)   North America, South America, and AfricaF) C) and E)
G) C) and D)

Question 13

Approximately how many species have been identified on Earth?

Accepted Answer

A)   about 500,000
B)   a little less than 1 million
C)   about 1.7 million
D)   a little more than 10 million
E)   about 30 millionF) A) and D)
G) B) and D)

Question 14

The objective of a species recovery plan is to

Accepted Answer

A)   interbreed threatened species with common species.
B)   increase an endangered species population until it is no longer endangered.
C)   invest corporate capital in species maintenance.
D)   study the species for a better understanding of its role in the biological community.
E)   protect the species to aid other organisms and resources in the ecosystem.F) B) and C)
G) B) and E)

Question 15

Estuaries contain a mix of fresh and salt water.

Accepted Answer

A) True 
 B)False  True

Question 16

We are usually referring to species diversity when we talk about biodiversity. However, genetic diversity is also important to ecological systems because diverse genes

Accepted Answer

A)   increase the efficiency and productivity of a system because all niches are filled.
B)   allow an individual organism to adapt to its changing environment.
C)   are necessary for a population to evolve in a changing environment.
D)   lead to diverse ecological processes in a biological community.
E)   are important for a balanced ecosystem.F) A) and D)
G) A) and E)

Question 17

In terms of species diversity and complexity, a coral reef would be similar to which terrestrial biome?

Accepted Answer

A)   Savannah
B)   Arctic tundra
C)   Tropical rainforest
D)   ChaparralE) B) and C)
F) A) and D)

Question 18

The location of specific biomes can be predicted based on

Accepted Answer

A)   the Coriolis Effect.
B)   the Second Law of Thermodynamics.
C)   precipitation and temperature.
D)   seasonal variations in sunspots.
E)   large landforms in the area.F) A) and C)
G) D) and E)

Question 19

Which of the following statements about trade in endangered species is false?

Accepted Answer

A)   The principal importers of endangered species are developed countries.
B)   Overharvesting affects animals more than plants.
C)   People who say they are animal lovers are the main contributors to the trade.
D)   The principal exporters of endangered species are developing countries.
E)   None of these statements are false.F) None of the above
G) C) and E)

Question 20

Humid tropical forests have extraordinary biological diversity

Accepted Answer

A)   because of the very fertile tropical soils.
B)   because rainfall dissolves soil nutrients and makes them available to plants.
C)   because water is not a limiting factor.
D)   despite a complete absence of nutrients in the environment.
E)   despite the poor, weathered soils.F) A) and C)
G) B) and C)

Exam 5: Biomes and Biodiversity

Use the following graph to answer the question. -Temperate forest biomes would fall in the area marked by the letter

Correct AnswerverifiedShow Answer

What is unique about the Mediterranean climate area biome?

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What biome is characterized by moderate temperatures and abundant precipitation?

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Tropical moist forests have high species diversity because they have highly developed, diverse niche opportunities and habitats.

Correct AnswerverifiedShow Answer

Which of the following is true?

Correct AnswerverifiedShow Answer

The primary difference between a bog and a fen is

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One biome type that has not been as badly threatened as other biomes is

Correct AnswerverifiedShow Answer

The total number of living species is probably

Correct AnswerverifiedShow Answer

Historically, the greatest threat to grasslands has been

Correct AnswerverifiedC

You have just been beamed into a biome that has relatively stable temperatures and abundant rainfall. Along with your laser gun, your compass, and rain poncho, you have a graph of precipitation and temperature similar to the one above. Which letter marks the area you are in?

Correct AnswerverifiedShow Answer

In contrast with the ______________, the soil of the ______________ is more nutrient-rich and this type of biome has fewer insects, parasites, and fungal diseases. Therefore, in many places, these areas are highly endangered.

Correct AnswerverifiedB

Species diversity is most concentrated in

Correct AnswerverifiedShow Answer

Approximately how many species have been identified on Earth?

Correct AnswerverifiedShow Answer

The objective of a species recovery plan is to

Correct AnswerverifiedShow Answer

Estuaries contain a mix of fresh and salt water.

Correct AnswerverifiedTrue

We are usually referring to species diversity when we talk about biodiversity. However, genetic diversity is also important to ecological systems because diverse genes

Correct AnswerverifiedShow Answer

In terms of species diversity and complexity, a coral reef would be similar to which terrestrial biome?

Correct AnswerverifiedShow Answer

The location of specific biomes can be predicted based on

Correct AnswerverifiedShow Answer

Which of the following statements about trade in endangered species is false?

Correct AnswerverifiedShow Answer

Humid tropical forests have extraordinary biological diversity

Correct AnswerverifiedShow Answer

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C

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In contrast with the , the soil of the is more nutrient-rich and this type of biome has fewer insects, parasites, and fungal diseases. Therefore, in many places, these areas are highly endangered.

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B

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True

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