Question 1

Explain the process of evolution through natural selection.

Accepted Answer

When individuals within a population are

Question 2

In speciation,two species interbreed to form one new species.

Accepted Answer

A) True 
 B)False

Question 3

Large ecological regions with characteristic types of natural vegetation are called

Accepted Answer

A)  ecosystems. 
B)  communities. 
C)  populations. 
D)  biomes. 
E)  niches. 
A)  ecosystems. 
B)  communities. 
C)  populations. 
D)  biomes. 
E)  niches.

Question 4

Deciduous forests are typically located at higher altitudes than coniferous forests.

Accepted Answer

A) True 
 B)False

Question 5

Lakes that have few plant nutrients and low productivity are referred to as

Accepted Answer

A)  autotrophic. 
B)  eutrophic. 
C)  oligotrophic. 
D)  mesotrophic. 
E)  oligomesotrophic. 
A)  autotrophic. 
B)  eutrophic. 
C)  oligotrophic. 
D)  mesotrophic. 
E)  oligomesotrophic.

Question 6

The two types of aquatic life zones on Earth are freshwater life zones and coastal life zones.

Accepted Answer

A) True 
 B)False

Question 7

An example of a coastal wetland is a

Accepted Answer

A)  salt marsh. 
B)  floodplain. 
C)  coral reef. 
D)  prairie pothole. 
E)  lake. 
A)  salt marsh. 
B)  floodplain. 
C)  coral reef. 
D)  prairie pothole. 
E)  lake.

Question 8

The aquatic ecosystem with the world's highest net primary productivity per unit area are found in the

Accepted Answer

A)  euphotic zone. 
B)  abyssal zone. 
C)  bathyal zone. 
D)  coastal zone. 
E)  profundal zone. 
A)  euphotic zone. 
B)  abyssal zone. 
C)  bathyal zone. 
D)  coastal zone. 
E)  profundal zone.

Question 9

The vertical zones of the open sea (euphotic,bathyal,and abyssal)are based primarily on ____________________.

Accepted Answer

penetratio

Question 10

A change in the genetic composition of a population is known as

Accepted Answer

A)  emigration. 
B)  mutation. 
C)  natural selection. 
D)  evolution. 
E)  genetic drift. 
A)  emigration. 
B)  mutation. 
C)  natural selection. 
D)  evolution. 
E)  genetic drift.

Question 11

Speciation occurs when members of two species are so genetically different that they can no longer interbreed and produce fertile offspring.

Accepted Answer

A) True 
 B)False

Question 12

The twilight (dimly lit)zone of the sea is the

Accepted Answer

A)  euphotic zone. 
B)  abyssal zone. 
C)  bathyal zone. 
D)  coastal zone. 
E)  benthic zone. 
A)  euphotic zone. 
B)  abyssal zone. 
C)  bathyal zone. 
D)  coastal zone. 
E)  benthic zone.

Question 13

Climate and vegetation vary with

Accepted Answer

A)  latitude only. 
B)  longitude only. 
C)  altitude only. 
D)  latitude and altitude. 
E)  altitude and longitude. 
A)  latitude only. 
B)  longitude only. 
C)  altitude only. 
D)  latitude and altitude. 
E)  altitude and longitude.

Question 14

Scientists have used gene splicing in the development of all of the following except

Accepted Answer

A)  crop plants. 
B)  industrial chemicals. 
C)  pest-resistant plants. 
D)  new drugs. 
E)  modified bacteria. 
A)  crop plants. 
B)  industrial chemicals. 
C)  pest-resistant plants. 
D)  new drugs. 
E)  modified bacteria.

Question 15

Geological processes,catastrophes and climate change affect natural selection.

Accepted Answer

A) True 
 B)False

Question 16

Only mutations that occur in the genes of reproductive cells are passed on to offspring.

Accepted Answer

A) True 
 B)False

Question 17

An example of an inland wetland is a

Accepted Answer

A)  salt marsh. 
B)  stream. 
C)  coral reef. 
D)  prairie pothole. 
E)  lake. 
A)  salt marsh. 
B)  stream. 
C)  coral reef. 
D)  prairie pothole. 
E)  lake.

Question 18

____________________ are essential portions of watersheds because they serve as the liaison between land and water resources.

Accepted Answer

The answer of ____________________ are essential portions of watersheds because...

Question 19

Genetic engineering involves making a modified gene,making a transgenic cell,and then growing a genetically-altered organism.

Accepted Answer

A) True 
 B)False

Question 20

Which of the following describes where natural grassland would most likely be found?

Accepted Answer

A)  where annual precipitation exceeds 45 inches 
B)  where drought and fire are very rare 
C)  in places that are suitable for forests 
D)  in the zone lying between forest and desert 
E)  where annual precipitation is less than 10 inches 
A)  where annual precipitation exceeds 45 inches 
B)  where drought and fire are very rare 
C)  in places that are suitable for forests 
D)  in the zone lying between forest and desert 
E)  where annual precipitation is less than 10 inches

Explain the process of evolution through natural selection.

In speciation,two species interbreed to form one new species.

Large ecological regions with characteristic types of natural vegetation are called

Deciduous forests are typically located at higher altitudes than coniferous forests.

Lakes that have few plant nutrients and low productivity are referred to as

The two types of aquatic life zones on Earth are freshwater life zones and coastal life zones.

An example of a coastal wetland is a

The aquatic ecosystem with the world's highest net primary productivity per unit area are found in the

The vertical zones of the open sea (euphotic,bathyal,and abyssal)are based primarily on ____________________.

A change in the genetic composition of a population is known as

Speciation occurs when members of two species are so genetically different that they can no longer interbreed and produce fertile offspring.

The twilight (dimly lit)zone of the sea is the

Climate and vegetation vary with

Scientists have used gene splicing in the development of all of the following except

Geological processes,catastrophes and climate change affect natural selection.

Only mutations that occur in the genes of reproductive cells are passed on to offspring.

An example of an inland wetland is a

____________________ are essential portions of watersheds because they serve as the liaison between land and water resources.

Genetic engineering involves making a modified gene,making a transgenic cell,and then growing a genetically-altered organism.

Which of the following describes where natural grassland would most likely be found?

Environmental Problems, Their Causes, and Sustainability

Science, Matter, Energy, and Systems

Community Ecology, Population Ecology, and the Human Population

Sustaining Biodiversity: The Species Approach

Sustaining Biodiversity: The Ecosystem Approach

Food,Soil,and Pest Management

Water Resources and Water Pollution

Nonrenewable Energy Resources

Energy Efficiency and Renewable Energy

Environmental Hazards and Human Health

Air Pollution, Climate Change, and Ozone Depletion

Urbanization and Solid and Hazardous Waste

Economics, Politics, Worldviews, and Sustainability

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Exam 3: Biodiversity and Evolution

Explain the process of evolution through natural selection.

In speciation,two species interbreed to form one new species.

Large ecological regions with characteristic types of natural vegetation are called

Deciduous forests are typically located at higher altitudes than coniferous forests.

Lakes that have few plant nutrients and low productivity are referred to as

The two types of aquatic life zones on Earth are freshwater life zones and coastal life zones.

An example of a coastal wetland is a

The aquatic ecosystem with the world's highest net primary productivity per unit area are found in the

The vertical zones of the open sea (euphotic,bathyal,and abyssal)are based primarily on ____________________.

A change in the genetic composition of a population is known as

Speciation occurs when members of two species are so genetically different that they can no longer interbreed and produce fertile offspring.

The twilight (dimly lit)zone of the sea is the

Climate and vegetation vary with

Scientists have used gene splicing in the development of all of the following except

Geological processes,catastrophes and climate change affect natural selection.

Only mutations that occur in the genes of reproductive cells are passed on to offspring.

An example of an inland wetland is a

____________________ are essential portions of watersheds because they serve as the liaison between land and water resources.

Genetic engineering involves making a modified gene,making a transgenic cell,and then growing a genetically-altered organism.

Which of the following describes where natural grassland would most likely be found?

Environmental Problems, Their Causes, and Sustainability

Science, Matter, Energy, and Systems

Community Ecology, Population Ecology, and the Human Population

Sustaining Biodiversity: The Species Approach

Sustaining Biodiversity: The Ecosystem Approach

Food,Soil,and Pest Management

Water Resources and Water Pollution

Nonrenewable Energy Resources

Energy Efficiency and Renewable Energy

Environmental Hazards and Human Health

Air Pollution, Climate Change, and Ozone Depletion

Urbanization and Solid and Hazardous Waste

Economics, Politics, Worldviews, and Sustainability

Filters