Question 1

Which of the following is not a factor that is contributing to the decline in amphibian populations?

Accepted Answer

A)  habitat loss and fragmentation 
B)  viral and fungal diseases and parasites 
C)  increase in UV radiation 
D)  prolonged drought 
E)  hunting of frogs for froglegs, a delicacy that is served in restaurants 
A)  habitat loss and fragmentation 
B)  viral and fungal diseases and parasites 
C)  increase in UV radiation 
D)  prolonged drought 
E)  hunting of frogs for froglegs, a delicacy that is served in restaurants

Question 2

Which of the following is true with regard to mutations?

Accepted Answer

A)  Mutations are always harmful. 
B)  Mutations always provide for beneficial changes in an organism's genetic makeup. 
C)  Mutations are chosen by the organism to improve their survival. 
D)  Natural selection determines the types of mutations that survive in a population. 
E)  Mutations are caused only by harmful chemicals. 
A)  Mutations are always harmful. 
B)  Mutations always provide for beneficial changes in an organism's genetic makeup. 
C)  Mutations are chosen by the organism to improve their survival. 
D)  Natural selection determines the types of mutations that survive in a population. 
E)  Mutations are caused only by harmful chemicals.

Question 3

-How does the bird labeled E compare with the birds labeled A, B, C, and D?

Accepted Answer

The bird l

Question 4

Approximately what percentage of amphibian species is threatened with extinction and declining worldwide?

Accepted Answer

A)  43% 
B)  33% 
C)  33%, 43% 
D)  80% 
E)  43%, 53% 
A)  43% 
B)  33% 
C)  33%, 43% 
D)  80% 
E)  43%, 53%

Question 5

We can say that on a long-term basis, that the _____________principle of sustainability has especially helped life on earth to adapt to drastic environmental conditions.

Accepted Answer

A)  wise use 
B)  energy cycling 
C)  nutrient cycling 
D)  Energy 
E)  Biodiversity 
A)  wise use 
B)  energy cycling 
C)  nutrient cycling 
D)  Energy 
E)  Biodiversity

Question 6

-Look at all of the bird species shown in the diagram above. What can be said about the birds?

Accepted Answer

They all occupy diff

Question 7

It is impossible for a shark to drown.

Accepted Answer

A) True 
 B)False

Question 8

Species that are found in only one area are called ____________________ and are especially vulnerable to extinction.

Accepted Answer

The answer of Species that are found in only one...

Question 9

A change in the genetic composition of a population is called

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 10

Specialist species

Accepted Answer

A)  are very adaptable 
B)  tolerate a wide range of environments 
C)  are more likely to become extinct 
D)  eat a wide variety of food 
E)  all of these answers 
A)  are very adaptable 
B)  tolerate a wide range of environments 
C)  are more likely to become extinct 
D)  eat a wide variety of food 
E)  all of these answers

Question 11

Typically speaking, organisms that are described as ____________________ tend to have broad niches.

Accepted Answer

The answer of Typically speaking, organisms that are described as...

Question 12

____________________ is a significant rise in extinction rates above the background level.

Accepted Answer

The answer of ____________________ is a significant rise in extinction...

Question 13

When local environmental conditions change, background extinction can cause loss of species.

Accepted Answer

A) True 
 B)False

Question 14

Which of the following is not true of the process of biological extinction?

Accepted Answer

A)  The extinction of an organism can be reversed if enough government funding is provided. 
B)  There has always been a certain low-level amount of ongoing background extinction occurring. 
C)  Completely natural processes can cause population extinctions. 
D)  Human activities have resulted in population extinctions. 
E)  a, b and c are all correct, but not d 
A)  The extinction of an organism can be reversed if enough government funding is provided. 
B)  There has always been a certain low-level amount of ongoing background extinction occurring. 
C)  Completely natural processes can cause population extinctions. 
D)  Human activities have resulted in population extinctions. 
E)  a, b and c are all correct, but not d

Question 15

Match the type of diversity with the proper choice below.
-Caribbean snails of the same population exhibit a variety of shell colors and banding patterns.

Accepted Answer

A) functional diversity 
B) genetic diversity 
C) ecological diversity 
D) species diversity 
A) functional diversity 
B) genetic diversity 
C) ecological diversity 
D) species diversity

Question 16

Niches are only occupied by native species.

Accepted Answer

A) True 
 B)False

Question 17

Extinction results in the permanent loss of genetic diversity.

Accepted Answer

A) True 
 B)False

Question 18

If a species of frogs becomes threatened because they can only live in a narrow range of temperatures, they would be classified as a(n) ____________________.

Accepted Answer

The answer of If a species of frogs becomes threatened...

Question 19

Which of the following is not true with regards to the concept of niches?

Accepted Answer

A)  A niche is the place where an organism lives. 
B)  A niche is the general method by which an organism attains its energy. 
C)  A species that is able to survive in a great range of environmental conditions and utilize a wide variety of food resources is a generalist species. 
D)  The giant panda feeds almost exclusively on various types of bamboo. This being the case, these organisms are said to have a narrow specialized niche. 
E)  In a rapidly-changing environment it is a great benefit to have a wide niche. 
A)  A niche is the place where an organism lives. 
B)  A niche is the general method by which an organism attains its energy. 
C)  A species that is able to survive in a great range of environmental conditions and utilize a wide variety of food resources is a generalist species. 
D)  The giant panda feeds almost exclusively on various types of bamboo. This being the case, these organisms are said to have a narrow specialized niche. 
E)  In a rapidly-changing environment it is a great benefit to have a wide niche.

Question 20

How has the geological process of plate tectonics influenced the process of evolution over geologic time?

Accepted Answer

A)  The changing location of the plates across the Earth's surface exposes organisms to differing concentrations of mutagens, thus increasing or decreasing the rate of evolution. 
B)  The rate of evolutionary change is directly proportional to the speed with which the Earth's tectonic plates are moving. 
C)  The changing location of the plates across the Earth's surface results in changing climatic environmental conditions for various communities and populations of organisms. This has driven evolutionary change. 
D)  The movement of the Earth's geologic plates is the source of energy that ultimately drives the process of evolution. 
E)  The movement of the Earth's geologic plates further away from the equator resulted in an increase in the gravitational forces on the planet. This allowed for the initial accumulation of the gases that form the Earth's atmosphere. 
A)  The changing location of the plates across the Earth's surface exposes organisms to differing concentrations of mutagens, thus increasing or decreasing the rate of evolution. 
B)  The rate of evolutionary change is directly proportional to the speed with which the Earth's tectonic plates are moving. 
C)  The changing location of the plates across the Earth's surface results in changing climatic environmental conditions for various communities and populations of organisms. This has driven evolutionary change. 
D)  The movement of the Earth's geologic plates is the source of energy that ultimately drives the process of evolution. 
E)  The movement of the Earth's geologic plates further away from the equator resulted in an increase in the gravitational forces on the planet. This allowed for the initial accumulation of the gases that form the Earth's atmosphere.

Which of the following is not a factor that is contributing to the decline in amphibian populations?

Which of the following is true with regard to mutations?

-How does the bird labeled E compare with the birds labeled A, B, C, and D?

Approximately what percentage of amphibian species is threatened with extinction and declining worldwide?

We can say that on a long-term basis, that the _____________principle of sustainability has especially helped life on earth to adapt to drastic environmental conditions.

-Look at all of the bird species shown in the diagram above. What can be said about the birds?

It is impossible for a shark to drown.

Species that are found in only one area are called ____________________ and are especially vulnerable to extinction.

A change in the genetic composition of a population is called

Specialist species

Typically speaking, organisms that are described as ____________________ tend to have broad niches.

____________________ is a significant rise in extinction rates above the background level.

When local environmental conditions change, background extinction can cause loss of species.

Which of the following is not true of the process of biological extinction?

Match the type of diversity with the proper choice below. -Caribbean snails of the same population exhibit a variety of shell colors and banding patterns.

Niches are only occupied by native species.

Extinction results in the permanent loss of genetic diversity.

If a species of frogs becomes threatened because they can only live in a narrow range of temperatures, they would be classified as a(n) ____________________.

Which of the following is not true with regards to the concept of niches?

How has the geological process of plate tectonics influenced the process of evolution over geologic time?

Environmental Problems, Their Causes, and Sustainability

Science, Matter, and Energy

Ecosystems: What Are They and How Do They Work

Biodiversity, Species Interactions, and Population Control

The Human Population and Urbanization

Climate and Biodiversity

Sustaining Biodiversity: the Species Approach

Sustaining Biodiversity: the Ecosystem Approach

Food, Soil, and Pest Management

Water Resources and Water Pollution

Geology and Nonrenewable Minerals

Energy

Environmental Hazards and Human Health

Air Pollution, Climate Change, and Ozone Depletion

Solid and Hazardous Waste

Environmental Economics, Politics, and Worldviews

Filters

Exam 4: Biodiversity and Evolution

Which of the following is not a factor that is contributing to the decline in amphibian populations?

Which of the following is true with regard to mutations?

-How does the bird labeled E compare with the birds labeled A, B, C, and D?

Approximately what percentage of amphibian species is threatened with extinction and declining worldwide?

We can say that on a long-term basis, that the _____________principle of sustainability has especially helped life on earth to adapt to drastic environmental conditions.

-Look at all of the bird species shown in the diagram above. What can be said about the birds?

It is impossible for a shark to drown.

Species that are found in only one area are called ____________________ and are especially vulnerable to extinction.

A change in the genetic composition of a population is called

Specialist species

Typically speaking, organisms that are described as ____________________ tend to have broad niches.

____________________ is a significant rise in extinction rates above the background level.

When local environmental conditions change, background extinction can cause loss of species.

Which of the following is not true of the process of biological extinction?

Match the type of diversity with the proper choice below. -Caribbean snails of the same population exhibit a variety of shell colors and banding patterns.

Niches are only occupied by native species.

Extinction results in the permanent loss of genetic diversity.

If a species of frogs becomes threatened because they can only live in a narrow range of temperatures, they would be classified as a(n) ____________________.

Which of the following is not true with regards to the concept of niches?

How has the geological process of plate tectonics influenced the process of evolution over geologic time?

Environmental Problems, Their Causes, and Sustainability

Science, Matter, and Energy

Ecosystems: What Are They and How Do They Work

Biodiversity, Species Interactions, and Population Control

The Human Population and Urbanization

Climate and Biodiversity

Sustaining Biodiversity: the Species Approach

Sustaining Biodiversity: the Ecosystem Approach

Food, Soil, and Pest Management

Water Resources and Water Pollution

Geology and Nonrenewable Minerals

Energy

Environmental Hazards and Human Health

Air Pollution, Climate Change, and Ozone Depletion

Solid and Hazardous Waste

Environmental Economics, Politics, and Worldviews

Filters