Question 1

In a case of balanced polymorphism resulting from heterozygous advantage the greatest fitness is associated with the genotype(s):

Accepted Answer

A) AA 
B) Aa 
C) aa 
D) AA and Aa 
A) AA 
B) Aa 
C) aa 
D) AA and Aa

Question 2

Microevolution refers to:

Accepted Answer

A) any change in the frequency of alleles in the gene pool of a population 
B) only changes that occur due to natural selection 
C) only changes due to mutations 
D) the evolution of new species 
A) any change in the frequency of alleles in the gene pool of a population 
B) only changes that occur due to natural selection 
C) only changes due to mutations 
D) the evolution of new species

Question 3

The phyletic gradualism model of evolution assumes that the rate of evolutionary change is characterized by:

Accepted Answer

A) abrupt changes followed by periods of no change at all 
B) slow but constant change 
C) rapid but constant change 
D) alternating patterns of rapid and slow periods of change 
A) abrupt changes followed by periods of no change at all 
B) slow but constant change 
C) rapid but constant change 
D) alternating patterns of rapid and slow periods of change

Question 4

As a result of a drought,the average size of a bird's beaks on Daphne Major increased.This is an example of:

Accepted Answer

A) directional selection 
B) disruptive selection 
C) stabilizing selection 
D) averaging selection 
A) directional selection 
B) disruptive selection 
C) stabilizing selection 
D) averaging selection

Question 5

In biological terms,a race is a:

Accepted Answer

A) species 
B) subspecies 
C) deme 
D) cline 
A) species 
B) subspecies 
C) deme 
D) cline

Question 6

A selective agent places __________on certain individuals in the population.

Accepted Answer

A) selective advantage 
B) selective pressure 
C) differential pressure 
D) differential advantage 
A) selective advantage 
B) selective pressure 
C) differential pressure 
D) differential advantage

Question 7

A deme is:

Accepted Answer

A) a group of animals who mate most frequently with each other as opposed to other groups 
B) the largest possible population 
C) an infertile hybrid 
D) microhabitat 
A) a group of animals who mate most frequently with each other as opposed to other groups 
B) the largest possible population 
C) an infertile hybrid 
D) microhabitat

Question 8

In order for an organism to move into a new ecological niche:

Accepted Answer

A) there has to be physical access to the new niche 
B) the individuals entering the new niche must be preadapted to some degree 
C) the new niche must be unoccupied or the entering organisms must be able to compete successfully with existing populations 
D) all of the above 
A) there has to be physical access to the new niche 
B) the individuals entering the new niche must be preadapted to some degree 
C) the new niche must be unoccupied or the entering organisms must be able to compete successfully with existing populations 
D) all of the above

Question 9

Hemoglobin S conveys a selective advantage to:

Accepted Answer

A) tuberculosis 
B) malaria 
C) smallpox 
D) yaws 
A) tuberculosis 
B) malaria 
C) smallpox 
D) yaws

Question 10

Fitness is:

Accepted Answer

A) a measure of how well a particular individual or group is adapted to the requirements imposed by the environment 
B) the degree of physical strength an organism has in relationship to other organisms of its species 
C) a measure of the degree of good health an organism or group of organisms displays 
D) b and c 
A) a measure of how well a particular individual or group is adapted to the requirements imposed by the environment 
B) the degree of physical strength an organism has in relationship to other organisms of its species 
C) a measure of the degree of good health an organism or group of organisms displays 
D) b and c

Question 11

A specialized species:

Accepted Answer

A) is closely fitted to a specific niche 
B) cannot tolerate much change in its niche 
C) exhibits little variation 
D) all of the above 
A) is closely fitted to a specific niche 
B) cannot tolerate much change in its niche 
C) exhibits little variation 
D) all of the above

Question 12

Matching Questions
match each reproductive isolating mechanism to its definition or example:
-hybrid inviability

Accepted Answer

A) offspring fertile but do not leave offspring in turn 
B) mule 
C) development ceases after fertilization 
D) sperm immobilized and destroyed 
A) offspring fertile but do not leave offspring in turn 
B) mule 
C) development ceases after fertilization 
D) sperm immobilized and destroyed

Question 13

Matching Questions
match each reproductive isolating mechanism to its definition or example:
-hybrid sterility

Accepted Answer

A) offspring fertile but do not leave offspring in turn 
B) mule 
C) development ceases after fertilization 
D) sperm immobilized and destroyed 
A) offspring fertile but do not leave offspring in turn 
B) mule 
C) development ceases after fertilization 
D) sperm immobilized and destroyed

Question 14

The presence of several distinct forms within a population-such as A,B,O,and AB blood types-is termed:

Accepted Answer

A) pleiotropy 
B) polytypy 
C) polymorphism 
D) none of the above 
A) pleiotropy 
B) polytypy 
C) polymorphism 
D) none of the above

Question 15

Matching Questions
match each reproductive isolating mechanism to its definition or example:
-gametic mortality

Accepted Answer

A) offspring fertile but do not leave offspring in turn 
B) mule 
C) development ceases after fertilization 
D) sperm immobilized and destroyed 
A) offspring fertile but do not leave offspring in turn 
B) mule 
C) development ceases after fertilization 
D) sperm immobilized and destroyed

Question 16

The specific term used for the elements of the environment that are products of human behavior is the:

Accepted Answer

A) ecological niche 
B) physical environment 
C) cultural environment 
D) habitat 
A) ecological niche 
B) physical environment 
C) cultural environment 
D) habitat

Question 17

Matching Questions
match each term with its definition:
-ecological niche

Accepted Answer

A) includes exploitation 
B) things external to the organism 
C) specific place where an animal lives 
A) includes exploitation 
B) things external to the organism 
C) specific place where an animal lives

Question 18

Characteristics that increase the success of a male competing for females will increase over time through:

Accepted Answer

A) natural selection 
B) gender selection 
C) sexual selection 
D) competition selection 
A) natural selection 
B) gender selection 
C) sexual selection 
D) competition selection

In a case of balanced polymorphism resulting from heterozygous advantage the greatest fitness is associated with the genotype(s):

Microevolution refers to:

The phyletic gradualism model of evolution assumes that the rate of evolutionary change is characterized by:

As a result of a drought,the average size of a bird's beaks on Daphne Major increased.This is an example of:

In biological terms,a race is a:

A selective agent places __________on certain individuals in the population.

A deme is:

In order for an organism to move into a new ecological niche:

Hemoglobin S conveys a selective advantage to:

Fitness is:

A specialized species:

Matching Questions match each reproductive isolating mechanism to its definition or example: -hybrid inviability

Matching Questions match each reproductive isolating mechanism to its definition or example: -hybrid sterility

The presence of several distinct forms within a population-such as A,B,O,and AB blood types-is termed:

Matching Questions match each reproductive isolating mechanism to its definition or example: -gametic mortality

The specific term used for the elements of the environment that are products of human behavior is the:

Matching Questions match each term with its definition: -ecological niche

Characteristics that increase the success of a male competing for females will increase over time through:

Investigating the Nature of Humankind

The Study of Heredity

The Modern Study of Human Genetics

Population Genetics

Peoples Place in Nature

The Living Primates

Comparative Studies: Anatomy and Genetics

Onhuman Primate Behavior

Human Behavior in Perspective

The Record of the Past

The Early Primate Fossil Record and the Origins of the Hominins

The Early Hominins

Early Species of the Genus Homo

The Evolution of Homo Sapiens

The Biology of Modern Homo Sapiens

The Analysis of Human Variation

The Modern World

Filters

Exam 5: Natural Selection and the Origin of Species

In a case of balanced polymorphism resulting from heterozygous advantage the greatest fitness is associated with the genotype(s):

Microevolution refers to:

The phyletic gradualism model of evolution assumes that the rate of evolutionary change is characterized by:

As a result of a drought,the average size of a bird's beaks on Daphne Major increased.This is an example of:

In biological terms,a race is a:

A selective agent places __________on certain individuals in the population.

A deme is:

In order for an organism to move into a new ecological niche:

Hemoglobin S conveys a selective advantage to:

Fitness is:

A specialized species:

Matching Questions match each reproductive isolating mechanism to its definition or example: -hybrid inviability

Matching Questions match each reproductive isolating mechanism to its definition or example: -hybrid sterility

The presence of several distinct forms within a population-such as A,B,O,and AB blood types-is termed:

Matching Questions match each reproductive isolating mechanism to its definition or example: -gametic mortality

The specific term used for the elements of the environment that are products of human behavior is the:

Matching Questions match each term with its definition: -ecological niche

Characteristics that increase the success of a male competing for females will increase over time through:

Investigating the Nature of Humankind

The Study of Heredity

The Modern Study of Human Genetics

Population Genetics

Peoples Place in Nature

The Living Primates

Comparative Studies: Anatomy and Genetics

Onhuman Primate Behavior

Human Behavior in Perspective

The Record of the Past

The Early Primate Fossil Record and the Origins of the Hominins

The Early Hominins

Early Species of the Genus Homo

The Evolution of Homo Sapiens

The Biology of Modern Homo Sapiens

The Analysis of Human Variation

The Modern World

Filters