Question 1

Which species has been affected by global climate change? ​

Accepted Answer

A) polar bear 
B) sharks 
C) woodpeckers 
D) grizzly bears 
E) tree frogs 
A) polar bear 
B) sharks 
C) woodpeckers 
D) grizzly bears 
E) tree frogs

Question 2

The "green revolution" to improve agricultural production ____. ​

Accepted Answer

A) is based on large inputs of fertilizer 
B) does not require pesticides 
C) does not rely on modern irrigation 
D) produces crop yields ten times higher than tradition methods 
E) uses less energy than non-green methods 
A) is based on large inputs of fertilizer 
B) does not require pesticides 
C) does not rely on modern irrigation 
D) produces crop yields ten times higher than tradition methods 
E) uses less energy than non-green methods

Question 3

A population's vital statistics are known as its ____. ​

Accepted Answer

A) age structure ​ 
B) population density 
C) total fertility rate 
D) demographics 
E) population diversity 
A) age structure ​ 
B) population density 
C) total fertility rate 
D) demographics 
E) population diversity

Question 4

Which form of sea life is showing signs of decreasing in numbers? ​

Accepted Answer

A) carp 
B) swordfish 
C) sharks 
D) blue fish 
E) eels 
A) carp 
B) swordfish 
C) sharks 
D) blue fish 
E) eels

Question 5

At present rates of clearing and degradation, most of the tropical rain forest biome will be gone by the year ____.

Accepted Answer

A) 2035 
B) 2050 
C) 2100 
D) 2150 
E) 2200 
A) 2035 
B) 2050 
C) 2100 
D) 2150 
E) 2200

Question 6

Human populations can grow at a maximum rate of ____. ​

Accepted Answer

A) 2-5 percent per year 
B) 5-7 percent per year 
C) 7-9 percent per year 
D) 10-12 percent per year 
E) 12-15 percent per year 
A) 2-5 percent per year 
B) 5-7 percent per year 
C) 7-9 percent per year 
D) 10-12 percent per year 
E) 12-15 percent per year

Question 7

Pesticide runoff from a farm into a river is an example of a ____ of pollution. ​

Accepted Answer

A) nonpoint source 
B) reservoir 
C) point source 
D) pinpoint reserve 
E) watershed 
A) nonpoint source 
B) reservoir 
C) point source 
D) pinpoint reserve 
E) watershed

Question 8

Globally, what is the greatest killer of species? ​

Accepted Answer

A) destruction of coral reefs 
B) air pollution 
C) deforestation 
D) water pollution 
E) nuclear contamination 
A) destruction of coral reefs 
B) air pollution 
C) deforestation 
D) water pollution 
E) nuclear contamination

Question 9

Which country does NOT have large deforestation issues? ​

Accepted Answer

A) Brazil 
B) Indonesia 
C) Colombia 
D) Mexico 
E) Australia 
A) Brazil 
B) Indonesia 
C) Colombia 
D) Mexico 
E) Australia

Question 10

Which fuel source is used strictly for electrical power generation? ​

Accepted Answer

A) nuclear energy 
B) renewable energy 
C) coal 
D) natural gas 
E) petroleum 
A) nuclear energy 
B) renewable energy 
C) coal 
D) natural gas 
E) petroleum

Question 11

One of the major threats to more than 90 percent of endangered species is ____. ​

Accepted Answer

A) habitat loss 
B) air pollution 
C) water pollution 
D) radioactivity 
E) ozone depletion 
A) habitat loss 
B) air pollution 
C) water pollution 
D) radioactivity 
E) ozone depletion

Question 12

The total resources a population consumes and the wastes it produces is its ____. ​

Accepted Answer

A) ecological footprint 
B) vital capacity 
C) carrying capacity 
D) non-renewable resources 
E) limiting factor 
A) ecological footprint 
B) vital capacity 
C) carrying capacity 
D) non-renewable resources 
E) limiting factor

Question 13

The number of individuals of a species that can be sustained indefinitely by the resources in a given area is the ____. ​

Accepted Answer

A) carrying capacity 
B) limiting factor 
C) peak capacity 
D) density 
E) potential 
A) carrying capacity 
B) limiting factor 
C) peak capacity 
D) density 
E) potential

Question 14

What percent of Earth's dry land is being used for agriculture? ​

Accepted Answer

A) 10 percent 
B) 25 percent 
C) 30 percent 
D) 45 percent 
E) 50 percent 
A) 10 percent 
B) 25 percent 
C) 30 percent 
D) 45 percent 
E) 50 percent

Which species has been affected by global climate change?

The "green revolution" to improve agricultural production ____.

A population's vital statistics are known as its ____.

Which form of sea life is showing signs of decreasing in numbers?

At present rates of clearing and degradation, most of the tropical rain forest biome will be gone by the year ____.

Human populations can grow at a maximum rate of ____.

Pesticide runoff from a farm into a river is an example of a ____ of pollution.

Globally, what is the greatest killer of species?

Which country does NOT have large deforestation issues?

Which fuel source is used strictly for electrical power generation?

One of the major threats to more than 90 percent of endangered species is ____.

The total resources a population consumes and the wastes it produces is its ____.

The number of individuals of a species that can be sustained indefinitely by the resources in a given area is the ____.

What percent of Earth's dry land is being used for agriculture?

Learning About Human Biology

Chemistry of Life

Cells and How They Work

Tissues, Organs, and Organ Systems

The Skeletal System

The Muscular System

Circulation: the Heart and Blood Vessels

Blood

Immunity and Disease

The Respiratory System

Digestion and Nutrition

The Urinary System

The Nervous System

Sensory Systems

The Endocrine System

Reproductive Systems

Development and Aging

Cell Reproduction

Introduction to Genetics

Chromosomes and Human Genetics

DNA Genes and Biotechnology

Genes and Disease: Cancer

Principles of Evolution

Principles of Ecology

Filters

Exam 25: Human Impacts on the Biosphere

Which species has been affected by global climate change? ​

The "green revolution" to improve agricultural production ____. ​

A population's vital statistics are known as its ____. ​

Which form of sea life is showing signs of decreasing in numbers? ​

At present rates of clearing and degradation, most of the tropical rain forest biome will be gone by the year ____.

Human populations can grow at a maximum rate of ____. ​

Pesticide runoff from a farm into a river is an example of a ____ of pollution. ​

Globally, what is the greatest killer of species? ​

Which country does NOT have large deforestation issues? ​

Which fuel source is used strictly for electrical power generation? ​

One of the major threats to more than 90 percent of endangered species is ____. ​

The total resources a population consumes and the wastes it produces is its ____. ​

The number of individuals of a species that can be sustained indefinitely by the resources in a given area is the ____. ​

What percent of Earth's dry land is being used for agriculture? ​

Learning About Human Biology

Chemistry of Life

Cells and How They Work

Tissues, Organs, and Organ Systems

The Skeletal System

The Muscular System

Circulation: the Heart and Blood Vessels

Blood

Immunity and Disease

The Respiratory System

Digestion and Nutrition

The Urinary System

The Nervous System

Sensory Systems

The Endocrine System

Reproductive Systems

Development and Aging

Cell Reproduction

Introduction to Genetics

Chromosomes and Human Genetics

DNA Genes and Biotechnology

Genes and Disease: Cancer

Principles of Evolution

Principles of Ecology

Filters

Which species has been affected by global climate change?

The "green revolution" to improve agricultural production ____.

A population's vital statistics are known as its ____.

Which form of sea life is showing signs of decreasing in numbers?

Human populations can grow at a maximum rate of ____.

Pesticide runoff from a farm into a river is an example of a ____ of pollution.

Globally, what is the greatest killer of species?

Which country does NOT have large deforestation issues?

Which fuel source is used strictly for electrical power generation?

One of the major threats to more than 90 percent of endangered species is ____.

The total resources a population consumes and the wastes it produces is its ____.

The number of individuals of a species that can be sustained indefinitely by the resources in a given area is the ____.

What percent of Earth's dry land is being used for agriculture?