Question 1

Which of the following is not correctly matched?

Accepted Answer

A)   forest, savanna, grassland, shrubland, desert, tundra - biomes
B)   trees, lianas, shrubs, herbs, epiphytes, thallophytes - life-form designations
C)   several ecosystems - one community
D)   large, stable ecosystem - a biomeE) A) and C)
F) B) and C)

Question 2

Humans have identified ________ species; while the working estimate is ________ estimated species on Earth.

Accepted Answer

A)   1,750,000; 13,600,000
B)   950,000; 13,600,000
C)   270,000; 320,000
D)   950,000; 8,000,000
E)   1,750,000; 100,000,000F) B) and D)
G) A) and D)

Question 3

Carbon dioxide is produced by all of the following except

Accepted Answer

A)   plant and animal respiration.
B)   photosynthesis.
C)   volcanic activity.
D)   fossil fuel combustion of industry.E) C) and D)
F) All of the above

Question 4

Respiration involves

Accepted Answer

A)   the use of heat energy to react carbon dioxide with water to produce water and oxygen.
B)   a chemical reaction between oxygen and carbohydrates that produces heat, carbon dioxide, and water.
C)   the use of light energy to react carbon dioxide with water to produce carbohydrates and oxygen.
D)   the use of light energy to react carbon dioxide with oxygen to produce water and oxygen.E) A) and C)
F) B) and C)

Question 5

Which of the following combinations of practices would promote sustainable agriculture?

Accepted Answer

A)   monocultures; use of synthetic fertilizers
B)   monocultures; use of organic (natural)  fertilizers
C)   multiple cropping; use of synthetic fertilizers
D)   multiple cropping; use of organic (natural)  fertilizersE) All of the above
F) C) and D)

Question 6

The study of the spatial aspects of ecology and the distribution of plants and animals is called

Accepted Answer

A)   biology.
B)   ecology.
C)   geoarchaeology.
D)   biogeography.E) C) and D)
F) A) and B)

Question 7

The region of Africa in which zebras, elephants, wildebeests, antelope and other large animals live is known as the

Accepted Answer

A)   taiga.
B)   tropical savanna.
C)   tropical rain forest.
D)   midlatitude steppe.E) All of the above
F) A) and C)

Question 8

Which of the following is true of evolution?

Accepted Answer

A)   It is unrelated to natural selection.
B)   It is unrelated to the concept of biodiversity.
C)   It is a scientific theory.
D)   It is not driven by differential reproduction.E) All of the above
F) A) and B)

Question 9

The seeds of some fruits cannot germinate unless they have first passed through the digestive system of an animal. Given this, the animal plays a role in perpetuating the plant species, and this role can best be considered an example of a trophic level.

Accepted Answer

A) True 
 B)False

Question 10

Photosynthesis produces carbohydrates and oxygen.

Accepted Answer

A) True 
 B)False

Question 11

The names taiga and boreal forest apply to the biome designated

Accepted Answer

A)   alpine tundra.
B)   northern needleleaf forest.
C)   temperate rain forest.
D)   midlatitude broadleaf and mixed forest.E) A) and D)
F) B) and C)

Question 12

If climate change occurs too rapidly, species may become extinct.

Accepted Answer

A) True 
 B)False

Question 13

________ is the specific physical location of an organism, whereas the function, or occupation, of a life-form within a given community is called its ________.

Accepted Answer

A)   Site; situation
B)   Niche; habitat
C)   Habitat; niche
D)   Community; ecosystemE) A) and B)
F) All of the above

Question 14

The arctic and alpine tundra is appropriately described by which of the following?

Accepted Answer

A)   Subarctic climate classification
B)   generally north of the 20 degrees C (68 degrees
C)   treeless with dwarf shrubs
D)   large tracts of boreal forest
E)   isotherm for the warmest monthF) All of the above
G) B) and E)

Question 15

A lake that has undergone eutrophication would be

Accepted Answer

A)   clear and low in nutrients.
B)   clear and high in nutrients.
C)   low in transparency and low in nutrients.
D)   low in transparency and high in nutrients.E) B) and C)
F) A) and B)

Question 16

At continued rates of species extinction, it is possible that half of the species currently on Earth could be extinct in ________ years.

Accepted Answer

A)   100
B)   400
C)   900
D)   1400E) B) and C)
F) A) and D)

Question 17

Large expanses of grasslands interrupted by trees and shrubs with Am and Aw climatic designations describes the tropical savanna biome.

Accepted Answer

A) True 
 B)False

Question 18

Bears eat both plants and animals; therefore, they are

Accepted Answer

A)   herbivores.
B)   carnivores.
C)   omnivores.
D)   specialists.E) B) and D)
F) B) and C)

Question 19

In a food chain, toxic chemicals tend to accumulate and concentrate most in the

Accepted Answer

A)   top carnivore.
B)   autotrophs.
C)   primary consumers.
D)   primary producers.E) None of the above
F) A) and B)

Question 20

Desert plants that wait years for a rainfall event to provide moisture for germination of their seeds are specifically called

Accepted Answer

A)   chaparral.
B)   thallophytic.
C)   sclerophyllous.
D)   ephemerals.E) A) and B)
F) A) and C)

Exam 16: Ecosystems and Biomes

A lake that has undergone eutrophication would be

Correct AnswerverifiedShow Answer

Which of the following combinations of practices would promote sustainable agriculture?

Correct AnswerverifiedShow Answer

The seeds of some fruits cannot germinate unless they have first passed through the digestive system of an animal. Given this, the animal plays a role in perpetuating the plant species, and this role can best be considered an example of a trophic level.

Correct AnswerverifiedShow Answer

Large expanses of grasslands interrupted by trees and shrubs with Am and Aw climatic designations describes the tropical savanna biome.

Correct AnswerverifiedShow Answer

Carbon dioxide is produced by all of the following except

Correct AnswerverifiedShow Answer

The region of Africa in which zebras, elephants, wildebeests, antelope and other large animals live is known as the

Correct AnswerverifiedShow Answer

Photosynthesis produces carbohydrates and oxygen.

Correct AnswerverifiedShow Answer

At continued rates of species extinction, it is possible that half of the species currently on Earth could be extinct in ________ years.

Correct AnswerverifiedShow Answer

Desert plants that wait years for a rainfall event to provide moisture for germination of their seeds are specifically called

Correct AnswerverifiedShow Answer

In a food chain, toxic chemicals tend to accumulate and concentrate most in the

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Respiration involves

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The names taiga and boreal forest apply to the biome designated

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________ is the specific physical location of an organism, whereas the function, or occupation, of a life-form within a given community is called its ________.

Correct AnswerverifiedShow Answer

The study of the spatial aspects of ecology and the distribution of plants and animals is called

Correct AnswerverifiedShow Answer

Bears eat both plants and animals; therefore, they are

Correct AnswerverifiedShow Answer

If climate change occurs too rapidly, species may become extinct.

Correct AnswerverifiedShow Answer

The arctic and alpine tundra is appropriately described by which of the following?

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Which of the following is true of evolution?

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Humans have identified ________ species; while the working estimate is ________ estimated species on Earth.

Correct AnswerverifiedShow Answer

Which of the following is not correctly matched?

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is the specific physical location of an organism, whereas the function, or occupation, of a life-form within a given community is called its .

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Humans have identified species; while the working estimate is estimated species on Earth.

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