Question 1

The development from a single gene pool of two gene pools that are different enough to prevent interbreeding usually comes about as a result of

Accepted Answer

A)  mutation alone. 
B)  hybridization. 
C)  introgression. 
D)  apomixis alone. 
E)  geographic or other isolation. 
A)  mutation alone. 
B)  hybridization. 
C)  introgression. 
D)  apomixis alone. 
E)  geographic or other isolation. E

Question 2

Isolating mechanisms, besides that of geography, include which of the following?

Accepted Answer

A)  failure of hybrids to survive or breed 
B)  failure of embryos to develop 
C)  climate 
D)  different flowering times 
E)  All of these answers are correct. 
A)  failure of hybrids to survive or breed 
B)  failure of embryos to develop 
C)  climate 
D)  different flowering times 
E)  All of these answers are correct. E

Question 3

Sterile hybrids may reproduce by asexual means.

Accepted Answer

A) True 
 B)False  True

Question 4

The voyage of HMS Beagle took Charles Darwin to

Accepted Answer

A)  Africa and Madagascar. 
B)  India and Ceylon. 
C)  China and Japan. 
D)  Malaysia and Indonesia. 
E)  Australia and South America. 
A)  Africa and Madagascar. 
B)  India and Ceylon. 
C)  China and Japan. 
D)  Malaysia and Indonesia. 
E)  Australia and South America.

Question 5

One aspect of Darwin's theory was that living organisms are unchanging, appearing today exactly as their ancestors have always appeared.

Accepted Answer

A) True 
 B)False

Question 6

Which of the following is NOT involved in Darwin's theory of evolution through natural selection?

Accepted Answer

A)  overproduction 
B)  variation and inheritance 
C)  mutation 
D)  survival and reproduction of the fittest 
E)  struggle for existence 
A)  overproduction 
B)  variation and inheritance 
C)  mutation 
D)  survival and reproduction of the fittest 
E)  struggle for existence

Question 7

As Darwin was working on his notes and the theory of evolution, his thoughts about how evolutionary change could occur were influenced by a concept he had read in an essay written in 1798 by ________.

Accepted Answer

A)  Alfred Wallace. 
B)  Norman Borlaug. 
C)  Jean Baptiste Lamarck. 
D)  Malthus. 
E)  Theophrastus. 
A)  Alfred Wallace. 
B)  Norman Borlaug. 
C)  Jean Baptiste Lamarck. 
D)  Malthus. 
E)  Theophrastus.

Question 8

Most mutations are harmful to the cell in which they occur.

Accepted Answer

A) True 
 B)False

Question 9

Organic evolution

Accepted Answer

A)  is a change in an individual over its lifetime. 
B)  describes the changes that a culture undergoes over time. 
C)  describes the variation observed in a population of individuals during one time frame. 
D)  is a term synonymous with epigenetics. 
E)  is the accumulation of genetic changes in a population of living organisms over many generations. 
A)  is a change in an individual over its lifetime. 
B)  describes the changes that a culture undergoes over time. 
C)  describes the variation observed in a population of individuals during one time frame. 
D)  is a term synonymous with epigenetics. 
E)  is the accumulation of genetic changes in a population of living organisms over many generations.

Question 10

Individuals producing the greatest number of viable offspring are said to be the most fit.

Accepted Answer

A) True 
 B)False

Question 11

Genetic drift can bring about evolutionary changes but only in populations of very large size.

Accepted Answer

A) True 
 B)False

Question 12

The type of reproductive isolation that occurs when two species mate, but only produce sterile offspring is referred to as ________.

Accepted Answer

A)  geographic isolation 
B)  pre-zygotic isolation 
C)  post-zygotic isolation 
D)  ecological isolation 
E)  pollination exclusion 
A)  geographic isolation 
B)  pre-zygotic isolation 
C)  post-zygotic isolation 
D)  ecological isolation 
E)  pollination exclusion

Question 13

During Charles Darwin's lifetime, the earth was thought to be about

Accepted Answer

A)  15 million years old. 
B)  1 million years old. 
C)  100,000 years old. 
D)  a few thousand years old. 
A)  15 million years old. 
B)  1 million years old. 
C)  100,000 years old. 
D)  a few thousand years old.

Question 14

Gene flow occurs when a strong wind blows significant number of seeds from one population into a second population.

Accepted Answer

A) True 
 B)False

Question 15

A biological revolution started in 1859 when Charles Darwin published

Accepted Answer

A)  Vestiges on Creation. 
B)  Essays on Population Growth. 
C)  On the Nature of Things. 
D)  On the Origin of Species. 
E)  The Monkey Puzzle. 
A)  Vestiges on Creation. 
B)  Essays on Population Growth. 
C)  On the Nature of Things. 
D)  On the Origin of Species. 
E)  The Monkey Puzzle.

Question 16

Deletions, translocations, and inversions are chromosomal changes that lead to mutations.

Accepted Answer

A) True 
 B)False

Question 17

Modern theories of evolution recognize that mutation, recombination of genes through hybridization, and polyploidy (at least in plants) are essential to allowing the development of a new species.

Accepted Answer

A) True 
 B)False

Question 18

In addition to his work on natural selection, Charles Darwin is recognized as the pioneer of scientific naming.

Accepted Answer

A) True 
 B)False

Question 19

The current distribution of eastern and western species of redbud (Cercis sp.) is an example of ________.

Accepted Answer

A)  a pre-zygotic barrier leading to reproductive isolation 
B)  a post-zygotic barrier 
C)  the impact of mutations 
D)  sympatric distribution 
E)  ecological isolation 
A)  a pre-zygotic barrier leading to reproductive isolation 
B)  a post-zygotic barrier 
C)  the impact of mutations 
D)  sympatric distribution 
E)  ecological isolation

Question 20

Charles Darwin's book On the Origin of Species was first published in

Accepted Answer

A)  1921. 
B)  1859. 
C)  1837. 
D)  1799. 
E)  1886. 
A)  1921. 
B)  1859. 
C)  1837. 
D)  1799. 
E)  1886.

Exam 15: Evolution

The development from a single gene pool of two gene pools that are different enough to prevent interbreeding usually comes about as a result of

Isolating mechanisms, besides that of geography, include which of the following?

Sterile hybrids may reproduce by asexual means.

The voyage of HMS Beagle took Charles Darwin to

One aspect of Darwin's theory was that living organisms are unchanging, appearing today exactly as their ancestors have always appeared.

Which of the following is NOT involved in Darwin's theory of evolution through natural selection?

As Darwin was working on his notes and the theory of evolution, his thoughts about how evolutionary change could occur were influenced by a concept he had read in an essay written in 1798 by ________.

Most mutations are harmful to the cell in which they occur.

Organic evolution

Individuals producing the greatest number of viable offspring are said to be the most fit.

Genetic drift can bring about evolutionary changes but only in populations of very large size.

The type of reproductive isolation that occurs when two species mate, but only produce sterile offspring is referred to as ________.

During Charles Darwin's lifetime, the earth was thought to be about

Gene flow occurs when a strong wind blows significant number of seeds from one population into a second population.

A biological revolution started in 1859 when Charles Darwin published

Deletions, translocations, and inversions are chromosomal changes that lead to mutations.

Modern theories of evolution recognize that mutation, recombination of genes through hybridization, and polyploidy (at least in plants) are essential to allowing the development of a new species.

In addition to his work on natural selection, Charles Darwin is recognized as the pioneer of scientific naming.

The current distribution of eastern and western species of redbud (Cercis sp.) is an example of ________.

Charles Darwin's book On the Origin of Species was first published in

What Is Plant Biology

The Nature of Life

Cells

Tissues

Roots and Soils

Stems

Leaves

Flowers, Fruits, and Seeds

Water in Plants

Plant Metabolism

Growth

Meiosis and Alternation of Generation

Genetics

Plant Breeding and Propagation

Plant Names and Classification

Domain Kingdom Bacteria, Domain Kingdom Archaea, and Viruses

Kingdom Protista

Kingdom Fungi

Introduction to the Plant Kingdom: Bryophytes

The Seedless Vascular Plants - Ferns and Their Relatives

Introduction to Seed Plants: Gymnosperms

Seed Plants: Angiosperms

Flowering Plants and Civilization

Ecology

Biomes

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