Question 1

The maximum rate of increase in a population is its ____. ​

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 E

Question 2

Which atmospheric component does NOT significantly affect global temperatures? ​

Accepted Answer

A) carbon dioxide 
B) methane 
C) oxygen 
D) ozone 
E) water 
A) carbon dioxide 
B) methane 
C) oxygen 
D) ozone 
E) water C

Question 3

Which population would have the lowest ecological footprint? ​

Accepted Answer

A) United States 
B) China 
C) India 
D) African nations 
E) Great Britain 
A) United States 
B) China 
C) India 
D) African nations 
E) Great Britain D

Question 4

Which statement is true for a population with an age structure diagram in the shape of a pyramid?

Accepted Answer

A) It is a rapidly growing population. 
B) It means the population is mostly older individuals. 
C) It would be associated with a developed country. 
D) It would be indicative of the United States. 
E) It means the death and birth rates are equal. 
A) It is a rapidly growing population. 
B) It means the population is mostly older individuals. 
C) It would be associated with a developed country. 
D) It would be indicative of the United States. 
E) It means the death and birth rates are equal.

Question 5

A population's age structure tracks ____.

Accepted Answer

A) the average age of the members of the population 
B) how long the population has existed in the area 
C) the rate at which the population is aging 
D) the relative numbers of each age 
E) death rate 
A) the average age of the members of the population 
B) how long the population has existed in the area 
C) the rate at which the population is aging 
D) the relative numbers of each age 
E) death rate

Question 6

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 7

Which two countries make up about 40 percent of the world's population? ​

Accepted Answer

A) India and Russia 
B) Russia and the United States 
C) China and the United States 
D) China and India 
E) China and Russia 
A) India and Russia 
B) Russia and the United States 
C) China and the United States 
D) China and India 
E) China and Russia

Question 8

Floods and earthquakes that affect population size are ____. ​

Accepted Answer

A) carrying capacity 
B) limiting factors 
C) density-dependent controls 
D) density-limiting controls 
E) density independent controls 
A) carrying capacity 
B) limiting factors 
C) density-dependent controls 
D) density-limiting controls 
E) density independent controls

Question 9

Total fertility rates are ____.

Accepted Answer

A) highest in developing countries in Asia and Africa 
B) higher now than it was 50 years ago 
C) at the replacement level 
D) currently measured at 6.5 
E) above replacement in developed nations 
A) highest in developing countries in Asia and Africa 
B) higher now than it was 50 years ago 
C) at the replacement level 
D) currently measured at 6.5 
E) above replacement in developed nations

Question 10

What percentage of the world's food grows on land that irrigated with water piped in from water sources? ​

Accepted Answer

A) 10 percent 
B) 25 percent 
C) 33 percent 
D) 50 percent 
E) 75 percent 
A) 10 percent 
B) 25 percent 
C) 33 percent 
D) 50 percent 
E) 75 percent

Question 11

Which of the following is the primary fuel source for residential and commercial uses? ​

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 12

Match between columns
                        Premises:  coal and oil
total resources a population consumes and wastes it produces 
water and forests 
trapping heat between Earth's surface and atmosphere 
long-term rise in temperature near Earth's surface

Accepted Answer

The Answer of renewable resources and greenhouse effect and nonrenewable is...

Question 13

A single place or outlet that causes pollution is a ____. ​

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 14

Which of the following is the primary fuel source for transportation? ​

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 15

Serious detrimental effects of global warming include all of the following EXCEPT ____. ​

Accepted Answer

A) intense rains and flooding 
B) more frequent and intense droughts 
C) rising sea levels in coastal areas 
D) the disappearance of glaciers thus wiping out some fresh water supplies 
E) more open shipping channels in the Arctic 
A) intense rains and flooding 
B) more frequent and intense droughts 
C) rising sea levels in coastal areas 
D) the disappearance of glaciers thus wiping out some fresh water supplies 
E) more open shipping channels in the Arctic

Question 16

Which fungicide will account for 15 percent of ozone thinning in future years unless its production is stopped? ​

Accepted Answer

A) amphotericin B 
B) nystatin 
C) methyl bromide 
D) dicarboximide 
E) ethylmercury bromide 
A) amphotericin B 
B) nystatin 
C) methyl bromide 
D) dicarboximide 
E) ethylmercury bromide

Question 17

By some estimates, how many species are undergoing premature extinction because of human actions? ​

Accepted Answer

A) 6 per day 
B) 10 per day 
C) 1 per hour 
D) 6 per hour 
E) 10 per hour 
A) 6 per day 
B) 10 per day 
C) 1 per hour 
D) 6 per hour 
E) 10 per hour

Question 18

A shift in Earth's climate is known as ____. ​

Accepted Answer

A) global warming 
B) global climate change 
C) greenhouse effect 
D) ozone effect 
E) Earth atmospheric warming 
A) global warming 
B) global climate change 
C) greenhouse effect 
D) ozone effect 
E) Earth atmospheric warming

Question 19

The conversion of grasslands or croplands to a desert-like state ____. ​

Accepted Answer

A) is known as deforestation 
B) is caused by overgrazing of livestock 
C) has occurred at the rate of 1 million square miles per year over the past 50 years 
D) is caused by "green" farming methods 
E) occurs primarily Europe 
A) is known as deforestation 
B) is caused by overgrazing of livestock 
C) has occurred at the rate of 1 million square miles per year over the past 50 years 
D) is caused by "green" farming methods 
E) occurs primarily Europe

Question 20

Chlorofluorocarbons (CFCs)are pollutants because ____. ​

Accepted Answer

A) the biogeochemical mechanisms for their removal have not yet appeared in the biosphere 
B) they combine with water to form hydrochloric and hydrofluoric acids 
C) they are found in smog 
D) they are photochemical oxidants 
E) they combine with carbon dioxide to form acid rain 
A) the biogeochemical mechanisms for their removal have not yet appeared in the biosphere 
B) they combine with water to form hydrochloric and hydrofluoric acids 
C) they are found in smog 
D) they are photochemical oxidants 
E) they combine with carbon dioxide to form acid rain

Exam 25: Human Impacts on the Biosphere

The maximum rate of increase in a population is its ____. ​

Which atmospheric component does NOT significantly affect global temperatures? ​

Which population would have the lowest ecological footprint? ​

Which statement is true for a population with an age structure diagram in the shape of a pyramid?

A population's age structure tracks ____.

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

Which two countries make up about 40 percent of the world's population? ​

Floods and earthquakes that affect population size are ____. ​

Total fertility rates are ____.

What percentage of the world's food grows on land that irrigated with water piped in from water sources? ​

Which of the following is the primary fuel source for residential and commercial uses? ​

A single place or outlet that causes pollution is a ____. ​

Which of the following is the primary fuel source for transportation? ​

Serious detrimental effects of global warming include all of the following EXCEPT ____. ​

Which fungicide will account for 15 percent of ozone thinning in future years unless its production is stopped? ​

By some estimates, how many species are undergoing premature extinction because of human actions? ​

A shift in Earth's climate is known as ____. ​

The conversion of grasslands or croplands to a desert-like state ____. ​

Chlorofluorocarbons (CFCs)are pollutants because ____. ​

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

The maximum rate of increase in a population is its ____.

Which atmospheric component does NOT significantly affect global temperatures?

Which population would have the lowest ecological footprint?

Which two countries make up about 40 percent of the world's population?

Floods and earthquakes that affect population size are ____.

What percentage of the world's food grows on land that irrigated with water piped in from water sources?

Which of the following is the primary fuel source for residential and commercial uses?

A single place or outlet that causes pollution is a ____.

Which of the following is the primary fuel source for transportation?

Serious detrimental effects of global warming include all of the following EXCEPT ____.

Which fungicide will account for 15 percent of ozone thinning in future years unless its production is stopped?

By some estimates, how many species are undergoing premature extinction because of human actions?

A shift in Earth's climate is known as ____.

The conversion of grasslands or croplands to a desert-like state ____.

Chlorofluorocarbons (CFCs)are pollutants because ____.