Question 1

How did the researchers alter the colors of M.lewisii and M cardinalis?

Accepted Answer

A) By looking for naturally occurring color variants of M. lewisii and M cardinalis in the wild 
B) By creating transgenic flowers with the desired color 
C) By deleting the YUP locus 
D) By duplicating the YUP locus 
E) By mating M. lewisii and M cardinalis and then crossing the hybrids to select for the desired color 
A) By looking for naturally occurring color variants of M. lewisii and M cardinalis in the wild 
B) By creating transgenic flowers with the desired color 
C) By deleting the YUP locus 
D) By duplicating the YUP locus 
E) By mating M. lewisii and M cardinalis and then crossing the hybrids to select for the desired color

Question 2

Tortoises colonizing the different Galápagos islands and evolving into different species is an example of ____ speciation.

Accepted Answer

A) prezygotic 
B) allopatric 
C) postzygotic 
D) sympatric 
E) parapatric 
A) prezygotic 
B) allopatric 
C) postzygotic 
D) sympatric 
E) parapatric

Question 3

Polyploidy is:

Accepted Answer

A) Common in plant species 
B) Common in fungal species 
C) Common in animal species 
D) Common in bacterial species 
E) All are correct 
A) Common in plant species 
B) Common in fungal species 
C) Common in animal species 
D) Common in bacterial species 
E) All are correct

Question 4

Formation of a tetraploid plant from two different diploid parental species of plants is an example of ____.

Accepted Answer

A) Punctuated equilibrium 
B) Gradualism 
C) Extinction 
D) Adaptive radiation 
E) A prezygotic barrier to evolution 
A) Punctuated equilibrium 
B) Gradualism 
C) Extinction 
D) Adaptive radiation 
E) A prezygotic barrier to evolution

Question 5

Which of the following is not a type of prezygotic reproductive isolation?

Accepted Answer

A) Temporal isolation 
B) Gametic isolation 
C) Hybrid infertility 
D) Ecological isolation 
E) Mechanical isolation 
A) Temporal isolation 
B) Gametic isolation 
C) Hybrid infertility 
D) Ecological isolation 
E) Mechanical isolation

Question 6

A biological species is defined as a population whose members can interbreed.

Accepted Answer

A) True 
 B)False

Question 7

The scientist given credit for devising the binomial naming system is:

Accepted Answer

A) Aristotle 
B) Charles Darwin 
C) Gregor Mendel 
D) Carrolus Linnaeus 
E) Louis Pasteur 
A) Aristotle 
B) Charles Darwin 
C) Gregor Mendel 
D) Carrolus Linnaeus 
E) Louis Pasteur

Question 8

figure 13.20  
-Birds and mammals are both warm-blooded,and are:

Accepted Answer

A) Monophyletic 
B) Polyphyletic 
C) Paraphyletic 
D) Common ancestors 
E) Parsimonious 
A) Monophyletic 
B) Polyphyletic 
C) Paraphyletic 
D) Common ancestors 
E) Parsimonious

Question 9

"mtDNA" represents DNA only from the mother's lineage because:

Accepted Answer

A) Males do not contain mitochondria in their cells 
B) The mitochondria of sperm cells are destroyed once they enter egg cells 
C) Sperm cells usually do not donate mitochondria to eggs during fertilization 
D) The DNA of mitochondria from sperm cells is inactivated once inside the egg cell 
E) All are correct 
A) Males do not contain mitochondria in their cells 
B) The mitochondria of sperm cells are destroyed once they enter egg cells 
C) Sperm cells usually do not donate mitochondria to eggs during fertilization 
D) The DNA of mitochondria from sperm cells is inactivated once inside the egg cell 
E) All are correct

Question 10

A single common ancestor evolving into the current 28 species of silversword plants found on the Hawaiian islands is an example of ____.

Accepted Answer

A) Gradualism 
B) Punctuated equilibrium 
C) Extinction 
D) A prezygotic barrier to evolution 
E) Adaptive radiation 
A) Gradualism 
B) Punctuated equilibrium 
C) Extinction 
D) A prezygotic barrier to evolution 
E) Adaptive radiation

Exam 13: Speciation and Extinction

How did the researchers alter the colors of M.lewisii and M cardinalis?

Tortoises colonizing the different Galápagos islands and evolving into different species is an example of ____ speciation.

Polyploidy is:

Formation of a tetraploid plant from two different diploid parental species of plants is an example of ____.

Which of the following is not a type of prezygotic reproductive isolation?

A biological species is defined as a population whose members can interbreed.

The scientist given credit for devising the binomial naming system is:

figure 13.20 -Birds and mammals are both warm-blooded,and are:

"mtDNA" represents DNA only from the mother's lineage because:

A single common ancestor evolving into the current 28 species of silversword plants found on the Hawaiian islands is an example of ____.

What Is Life

The Chemistry of Life

The Dynamic Cell

The Energy of Life

Photosynthesis

How Cells Release Energy

Dna Structure and Gene Function

Dna Replication, mitosis and the Cell Cycle

Sexual Reproduction and Meiosis

Patterns of Inheritance

The Forces of Evolutionary Change

Evidence for Evolution

The Origin and History of Life

Viruses

Bacteria and Archaea

Protists

Plants

Fungi

Animals

Plant Form and Function

Plant Nutrition and Transport

Reproduction and Development of Flowering Plants

Animal Tissues, organ Systems and Homeostasis

The Nervous System

The Senses Content

The Endocrine System

The Musculoskeletal System

The Circulatory System

The Respiratory System

Digestion and Animal Nutrition

Regulation of Temperature and Body Fluids

The Immune System

Animal Reproduction and Development

Animal Behavior

Populations

Communities and Ecosystems

The Biosphere

Conserving Biodiversity

Filters