Question 1

The movement of genes between populations is referred to as

Accepted Answer

A) mutation. 
B) migration. 
C) genetic drift. 
D) gene flow. 
A) mutation. 
B) migration. 
C) genetic drift. 
D) gene flow.

Question 2

The fitness of an individual is measured by

Accepted Answer

A) the proportion of heterozygous alleles within its genome. 
B) its body size. 
C) its efficiency in obtaining energy. 
D) the proportionate contribution it makes to future generations. 
A) the proportion of heterozygous alleles within its genome. 
B) its body size. 
C) its efficiency in obtaining energy. 
D) the proportionate contribution it makes to future generations.

Question 3

The sum of genetic information (alleles)across all individuals in the population is referred to as the ________.

Accepted Answer

The answer of The sum of genetic information (alleles)across all...

Question 4

Bt corn is

Accepted Answer

A) adapted to resist Bt pesticides. 
B) grown only on no till farms. 
C) a variety that possesses genes from a bacterium. 
D) a drought tolerant form of corn. 
A) adapted to resist Bt pesticides. 
B) grown only on no till farms. 
C) a variety that possesses genes from a bacterium. 
D) a drought tolerant form of corn.

Question 5

An individual evolves during its lifetime.

Accepted Answer

A) True 
 B)False

Question 6

The Galápagos Islands are inhabited by 13 species of Darwin's finches that evolved from a single species.This is an example of

Accepted Answer

A) clinal variation. 
B) adaptive radiation. 
C) directional selection. 
D) genetic drift. 
A) clinal variation. 
B) adaptive radiation. 
C) directional selection. 
D) genetic drift.

Question 7

The mechanism of evolution proposed by Charles Darwin in The Origin of Species is

Accepted Answer

A) acclimatization. 
B) natural selection. 
C) acquired inheritance. 
D) adaptation. 
A) acclimatization. 
B) natural selection. 
C) acquired inheritance. 
D) adaptation.

Question 8

Under which of the following conditions would genetic drift exert the greatest influence?

Accepted Answer

A) a population with a large range 
B) a very small population 
C) a very large population 
D) a population that has access to sufficient resources 
A) a population with a large range 
B) a very small population 
C) a very large population 
D) a population that has access to sufficient resources

Question 9

Which of the following represents acclimation?

Accepted Answer

A) Deeper beaks evolve in a population. 
B) Marine lionfish are able to tolerate freshwater in estuaries. 
C) Tropical trees grow taller than temperate ones to compete for light. 
D) Poisonous animals are brightly colored to ward off predators. 
A) Deeper beaks evolve in a population. 
B) Marine lionfish are able to tolerate freshwater in estuaries. 
C) Tropical trees grow taller than temperate ones to compete for light. 
D) Poisonous animals are brightly colored to ward off predators.

Question 10

Charles Darwin advocated a theory of evolution that involved individuals acquiring useful characteristics during their lifetimes.

Accepted Answer

A) True 
 B)False

Question 11

The process by which one species gives rise to multiple species that exploit different features of the environment is called ________.

Accepted Answer

The answer of The process by which one species gives...

Question 12

The type of natural selection in which the mean value of a trait is shifted toward one extreme is called ________ selection.

Accepted Answer

The answer of The type of natural selection in which...

Question 13

A(n)________ individual has the same alleles at the same locus on homologous chromosomes.

Accepted Answer

The answer of A(n)________ individual has the same alleles at...

Question 14

The expression of most phenotypic traits is affected to varying degrees by the environment.

Accepted Answer

A) True 
 B)False

Question 15

Changes due to developmental plasticity are reversible.

Accepted Answer

A) True 
 B)False

Question 16

Most traits are influenced by only one locus.

Accepted Answer

A) True 
 B)False

Question 17

The outward appearance of an organism for a given characteristic is called its ________.

Accepted Answer

The answer of The outward appearance of an organism for...

Question 18

In a population with a q allele frequency of 0.6,what would the frequency of allele p be?

Accepted Answer

A) 0)6 
B) 0)5 
C) 0)36 
D) 0)4 
A) 0)6 
B) 0)5 
C) 0)36 
D) 0)4

Question 19

The alternate forms of a gene are called ________.

Accepted Answer

The answer of The alternate forms of a gene are...

Question 20

The characteristics maximize the fitness of an individual under one set of environmental conditions generally limit its fitness under a different set of conditions.

Accepted Answer

A) True 
 B)False

Exam 5: Adaptation and Natural Selection

The movement of genes between populations is referred to as

The fitness of an individual is measured by

The sum of genetic information (alleles)across all individuals in the population is referred to as the ________.

Bt corn is

An individual evolves during its lifetime.

The Galápagos Islands are inhabited by 13 species of Darwin's finches that evolved from a single species.This is an example of

The mechanism of evolution proposed by Charles Darwin in The Origin of Species is

Under which of the following conditions would genetic drift exert the greatest influence?

Which of the following represents acclimation?

Charles Darwin advocated a theory of evolution that involved individuals acquiring useful characteristics during their lifetimes.

The process by which one species gives rise to multiple species that exploit different features of the environment is called ________.

The type of natural selection in which the mean value of a trait is shifted toward one extreme is called ________ selection.

A(n)________ individual has the same alleles at the same locus on homologous chromosomes.

The expression of most phenotypic traits is affected to varying degrees by the environment.

Changes due to developmental plasticity are reversible.

Most traits are influenced by only one locus.

The outward appearance of an organism for a given characteristic is called its ________.

In a population with a q allele frequency of 0.6,what would the frequency of allele p be?

The alternate forms of a gene are called ________.

The characteristics maximize the fitness of an individual under one set of environmental conditions generally limit its fitness under a different set of conditions.

The Nature of Ecology

Climate

The Aquatic Environment

The Terrestrial Environment

Plant Adaptations to the Environment

Animal Adaptations to the Environment

Properties of Populations

Population Growth

Life History

Intraspecific Population Regulation

Species Interactions, population Dynamics, and Natural Selection

Interspecific Competition

Predation

Parasitism and Mutualism

Community Structure

Factors Influencing the Structure of Communities

Community Dynamics

Landscape Dynamics

Ecosystem Energetics

Decomposition and Nutrient Cycling

Biogeochemical Cycles

Terrestrial Ecosystems

Aquatic Ecosystems

Coastal and Wetland Ecosystems

Large-Scale Patterns of Biological Diversity

The Ecology of Climate Change

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