Question 1

Explain the process of biological magnification. Where in the food chain do humans fit in, and how might biological magnification affect us?

Accepted Answer

Biological magnification is the concentr

Question 2

The pH of unpolluted rainwater is closest to ____.

Accepted Answer

A) 2 
B) 4 
C) 6 
D) 8 
E) 10 
A) 2 
B) 4 
C) 6 
D) 8 
E) 10

Question 3

For conservation purposes, if the only known members of a species are in captivity, the species is referred to as "____ in the wild".

Accepted Answer

A) extinct 
B) extant 
C) exotic 
D) endemic 
E) endangered 
A) extinct 
B) extant 
C) exotic 
D) endemic 
E) endangered

Question 4

Four of these five choices are causes of species decline. Select the exception.

Accepted Answer

A) overharvesting 
B) habitat degradation 
C) ecological restoration 
D) intentional species introductions 
E) habitat fragmentation 
A) overharvesting 
B) habitat degradation 
C) ecological restoration 
D) intentional species introductions 
E) habitat fragmentation

Question 5

The most recent mass extinction on Earth ____.

Accepted Answer

A) happened 65 million years ago when dinosaurs became extinct 
B) was 248 million years ago when Pangea formed 
C) is going on now and is due to human activities 
D) happened 544 million years ago during a period of massive glaciation 
E) occurred 360 million years ago, when 70% of marine groups were lost 
A) happened 65 million years ago when dinosaurs became extinct 
B) was 248 million years ago when Pangea formed 
C) is going on now and is due to human activities 
D) happened 544 million years ago during a period of massive glaciation 
E) occurred 360 million years ago, when 70% of marine groups were lost

Question 6

Match the term with the appropriate description. Terms may be used once or more than once.
-irritates the eyes and respiratory tracts of animals when it forms in the lower atmosphere

Accepted Answer

A) sulfur dioxides 
B) nitrogen oxides 
C) wet deposition 
D) dry deposition 
E) CFCs
F)ozone 
A) sulfur dioxides 
B) nitrogen oxides 
C) wet deposition 
D) dry deposition 
E) CFCs
F)ozone

Question 7

The best way to prevent desertification is to avoid farming in areas subject to ____.

Accepted Answer

A) flooding 
B) deforestation 
C) exotic plant invasions 
D) topsoil buildup 
E) high winds and periodic drought 
A) flooding 
B) deforestation 
C) exotic plant invasions 
D) topsoil buildup 
E) high winds and periodic drought

Question 8

Concentrations of CFCs in the upper atmosphere are currently ____.

Accepted Answer

A) rising dramatically 
B) leveling off 
C) declining sharply 
D) undetectable 
E) rising slowly 
A) rising dramatically 
B) leveling off 
C) declining sharply 
D) undetectable 
E) rising slowly

Question 9

Match the term with the appropriate description. Terms may be used once or more than once.
-air pollutants released by combustion of gasoline oil

Accepted Answer

A) sulfur dioxides 
B) nitrogen oxides 
C) wet deposition 
D) dry deposition 
E) CFCs
F)ozone 
A) sulfur dioxides 
B) nitrogen oxides 
C) wet deposition 
D) dry deposition 
E) CFCs
F)ozone

Question 10

In the past century, warming temperatures have caused sea levels to rise about ____.

Accepted Answer

A) 20 centimeters 
B) 20 feet 
C) 20 inches 
D) 2 centimeters 
E) 2 meters 
A) 20 centimeters 
B) 20 feet 
C) 20 inches 
D) 2 centimeters 
E) 2 meters

Question 11

The crash of the Atlantic codfish population and the white abalone were both due to ____.

Accepted Answer

A) invasive species 
B) infections 
C) ocean pollutants 
D) overharvesting 
E) habitat destruction 
A) invasive species 
B) infections 
C) ocean pollutants 
D) overharvesting 
E) habitat destruction

Question 12

The goal of the iNaturalist project is to ____.​

Accepted Answer

A) ​foster a public appreciation of biodiversity only 
B) ​gather scientifically valuable biodiversity data only 
C) ​define ecoregions according to climate and geography only 
D) ​foster a public appreciation of biodiversity and to gather scientifically valuable biodiversity data 
E) ​define ecoregions according to climate and geography and to gather scientifically valuable biodiversity data 
A) ​foster a public appreciation of biodiversity only 
B) ​gather scientifically valuable biodiversity data only 
C) ​define ecoregions according to climate and geography only 
D) ​foster a public appreciation of biodiversity and to gather scientifically valuable biodiversity data 
E) ​define ecoregions according to climate and geography and to gather scientifically valuable biodiversity data

Question 13

Flooding, landslides, soil nutrient loss, and global climate change all result from ____.

Accepted Answer

A) the introduction of exotic plants 
B) fragmentation 
C) deforestation 
D) ozone depletion 
E) biological magnification 
A) the introduction of exotic plants 
B) fragmentation 
C) deforestation 
D) ozone depletion 
E) biological magnification

Question 14

Suppose you have friends who scoff at the idea of participating in a conservation group in your community. How would you convince them that protecting biodiversity directly benefits everyone, including them?

Accepted Answer

Why should we protect biodiversity? From

Question 15

A species that is confined to the limited area in which it evolved is ____.

Accepted Answer

A) endemic 
B) endangered 
C) threatened 
D) extinct 
E) exotic 
A) endemic 
B) endangered 
C) threatened 
D) extinct 
E) exotic

Question 16

​In response to the potential threat posed by the thinning ozone layer, countries worldwide agreed in 1987 to phase out the production of CFCs and other ozone-destroying chemicals, an agreement known as the ____.

Accepted Answer

A) ​United Nations Framework on Climate Change 
B) ​Climate Accord 
C) ​Montreal Protocol 
D) ​Paris Agreement 
E) ​Kyoto Protocol 
A) ​United Nations Framework on Climate Change 
B) ​Climate Accord 
C) ​Montreal Protocol 
D) ​Paris Agreement 
E) ​Kyoto Protocol

Question 17

Match the term with the appropriate description. Terms may be used once or more than once.
-odorless gases used as propellants in aerosol cans, as coolants, and in solvents and plastic foam

Accepted Answer

A) sulfur dioxides 
B) nitrogen oxides 
C) wet deposition 
D) dry deposition 
E) CFCs
F)ozone 
A) sulfur dioxides 
B) nitrogen oxides 
C) wet deposition 
D) dry deposition 
E) CFCs
F)ozone

Question 18

Logging threatens the endangered northern ____, which lives in the Klamath-Siskiyou forest in southwestern Oregon and northwestern California.​

Accepted Answer

A) ​spotted owl 
B) ​sea lion 
C) ​polar bear 
D) ​passenger pigeon 
E) ​blind salamander 
A) ​spotted owl 
B) ​sea lion 
C) ​polar bear 
D) ​passenger pigeon 
E) ​blind salamander

Question 19

In what region of the world are forests disappearing the fastest?

Accepted Answer

A) East Asia 
B) Europe 
C) North America 
D) the tropics 
E) the Arctic 
A) East Asia 
B) Europe 
C) North America 
D) the tropics 
E) the Arctic

Question 20

Currently, the International Union for Conservation of Nature and Natural Resources (IUCN) does not monitor threats to ____.

Accepted Answer

A) vertebrates 
B) plants 
C) invertebrates 
D) mammals 
E) bacteria 
A) vertebrates 
B) plants 
C) invertebrates 
D) mammals 
E) bacteria

Exam 44: Human Effects on the Biosphere

Explain the process of biological magnification. Where in the food chain do humans fit in, and how might biological magnification affect us?

The pH of unpolluted rainwater is closest to ____.

For conservation purposes, if the only known members of a species are in captivity, the species is referred to as "____ in the wild".

Four of these five choices are causes of species decline. Select the exception.

The most recent mass extinction on Earth ____.

Match the term with the appropriate description. Terms may be used once or more than once. -irritates the eyes and respiratory tracts of animals when it forms in the lower atmosphere

The best way to prevent desertification is to avoid farming in areas subject to ____.

Concentrations of CFCs in the upper atmosphere are currently ____.

Match the term with the appropriate description. Terms may be used once or more than once. -air pollutants released by combustion of gasoline oil

In the past century, warming temperatures have caused sea levels to rise about ____.

The crash of the Atlantic codfish population and the white abalone were both due to ____.

The goal of the iNaturalist project is to ____.​

Flooding, landslides, soil nutrient loss, and global climate change all result from ____.

Suppose you have friends who scoff at the idea of participating in a conservation group in your community. How would you convince them that protecting biodiversity directly benefits everyone, including them?

A species that is confined to the limited area in which it evolved is ____.

​In response to the potential threat posed by the thinning ozone layer, countries worldwide agreed in 1987 to phase out the production of CFCs and other ozone-destroying chemicals, an agreement known as the ____.

Match the term with the appropriate description. Terms may be used once or more than once. -odorless gases used as propellants in aerosol cans, as coolants, and in solvents and plastic foam

Logging threatens the endangered northern ____, which lives in the Klamath-Siskiyou forest in southwestern Oregon and northwestern California.​

In what region of the world are forests disappearing the fastest?

Currently, the International Union for Conservation of Nature and Natural Resources (IUCN) does not monitor threats to ____.

The Science of Biology

Lifes Chemical Basis

Molecules of Life

Cell Structure

Ground Rules of Metabolism

Where It Starts-Photosynthesis

Releasing Chemical Energy

DNA Structure and Function

From DNA to Protein

Control of Gene Expression

How Cells Reproduce

Meiosis and Sexual Reproduction

Patterns in Inherited Traits

Human Inheritance

Biotechnology

Evidence of Evolution

Processes of Evolution

Lifes Origin and Early Evolution

Viruses, Bacteria, and Archaea

The Protists

Plant Evolution

Fungi

Animals I: Major Invertebrate Groups

Animals Ii: the Chordates

Plant Tissues

Plant Nutrition and Transport

Plant Reproduction and Development

Animal Tissues and Organ Systems

Neural Control

Sensory Perception

Endocrine Control

Structural Support and Movement

Circulation

Immunity

Respiration

Digestion and Human Nutrition

Maintaining the Internal Environment

Reproduction and Development

Animal Behavior

Population Ecology

Community Ecology

Ecosystems

The Biosphere

Filters

The goal of the iNaturalist project is to ____.

In response to the potential threat posed by the thinning ozone layer, countries worldwide agreed in 1987 to phase out the production of CFCs and other ozone-destroying chemicals, an agreement known as the ____.

Logging threatens the endangered northern ____, which lives in the Klamath-Siskiyou forest in southwestern Oregon and northwestern California.