Question 1

What is needed to estimate species relatedness with a molecular clock?

Accepted Answer

A)  the known mutation rate of a gene 
B)  the original DNA sequence for the gene without mutations 
C)  the number of differences in DNA sequences for a gene in two species 
D)  the same gene identified in two species 
E)  All answers are correct. 
A)  the known mutation rate of a gene 
B)  the original DNA sequence for the gene without mutations 
C)  the number of differences in DNA sequences for a gene in two species 
D)  the same gene identified in two species 
E)  All answers are correct.

Question 2

The Cretaceous and Jurassic periods are part of the

Accepted Answer

A)  Mesozoic era. 
B)  Archean era. 
C)  Proterozoic era. 
D)  Cenozoic era. 
E)  Paleozoic era. 
A)  Mesozoic era. 
B)  Archean era. 
C)  Proterozoic era. 
D)  Cenozoic era. 
E)  Paleozoic era.

Question 3

Which of the following evolutionary events did not occur during the Mesozic era?

Accepted Answer

A)  cycads and ferns were abundant 
B)  widespread dinosaurs extinction 
C)  first dinosaurs roamed the earth 
D)  giant reptiles were on land and in water 
E)  first primates were abundant 
A)  cycads and ferns were abundant 
B)  widespread dinosaurs extinction 
C)  first dinosaurs roamed the earth 
D)  giant reptiles were on land and in water 
E)  first primates were abundant

Question 4

A gene that when mutated leads to organisms with structures in abnormal places is termed

Accepted Answer

A)  parsimonious. 
B)  homeotic. 
C)  homologous. 
D)  vestigial. 
E)  dominant. 
A)  parsimonious. 
B)  homeotic. 
C)  homologous. 
D)  vestigial. 
E)  dominant.

Question 5

If similarities between two structures in different organisms reflect common ancestry,these structures are

Accepted Answer

A)  vestigial. 
B)  analogous. 
C)  homologous. 
D)  homeotic. 
E)  heterologous. 
A)  vestigial. 
B)  analogous. 
C)  homologous. 
D)  homeotic. 
E)  heterologous.

Question 6

The abundant presence of ammonite fossils in a large area indicates that the area was once part of an ocean.

Accepted Answer

A) True 
 B)False

Question 7

Absolute dating uses ________ to estimate how old a fossil is.

Accepted Answer

A)  depth within rock layers 
B)  radioactive isotopes 
C)  a molecular clock 
D)  structural features 
E)  embryonic structures 
A)  depth within rock layers 
B)  radioactive isotopes 
C)  a molecular clock 
D)  structural features 
E)  embryonic structures

Question 8

The number of differences between cytochrome c of humans and cytochrome c of other organisms is as follows: Rhesus monkey - 1 difference; pigeon - 12 differences; fruit fly - 24 differences.The order in which these species are most similar to humans is

Accepted Answer

A)  Rhesus monkey, pigeon, fruit fly. 
B)  pigeon, Rhesus monkey, fruit fly. 
C)  pigeon, fruit fly, Rhesus monkey. 
D)  Rhesus monkey, fruit fly, pigeon. 
E)  fruit fly, pigeon, Rhesus monkey. 
A)  Rhesus monkey, pigeon, fruit fly. 
B)  pigeon, Rhesus monkey, fruit fly. 
C)  pigeon, fruit fly, Rhesus monkey. 
D)  Rhesus monkey, fruit fly, pigeon. 
E)  fruit fly, pigeon, Rhesus monkey.

Question 9

Marsupials are mammals that

Accepted Answer

A)  lay eggs. 
B)  do not give live birth. 
C)  have evolved recently. 
D)  carry their young in a pouch. 
E)  breathe through gills. 
A)  lay eggs. 
B)  do not give live birth. 
C)  have evolved recently. 
D)  carry their young in a pouch. 
E)  breathe through gills.

Question 10

The half life of ¹⁴C is 5,730 years.If you test a fossilized bone and find that it has 1/8th the ¹⁴C as a modern bone,you could conclude that it is approximately ________ years old.

Accepted Answer

A)  11,460 
B)  5,730 
C)  42,960 
D)  716 
E)  17,190 
A)  11,460 
B)  5,730 
C)  42,960 
D)  716 
E)  17,190

What is needed to estimate species relatedness with a molecular clock?

The Cretaceous and Jurassic periods are part of the

Which of the following evolutionary events did not occur during the Mesozic era?

A gene that when mutated leads to organisms with structures in abnormal places is termed

If similarities between two structures in different organisms reflect common ancestry,these structures are

The abundant presence of ammonite fossils in a large area indicates that the area was once part of an ocean.

Absolute dating uses ________ to estimate how old a fossil is.

The number of differences between cytochrome c of humans and cytochrome c of other organisms is as follows: Rhesus monkey - 1 difference; pigeon - 12 differences; fruit fly - 24 differences.The order in which these species are most similar to humans is

Marsupials are mammals that

The half life of ¹⁴C is 5,730 years.If you test a fossilized bone and find that it has 1/8th the ¹⁴C as a modern bone,you could conclude that it is approximately ________ years old.

The Scientific Study of Life

The Chemistry of Life

Cells

The Energy of Life

Photosynthesis

Respiration and Fermentation

DNA Structure and Gene Function

DNA Replication,Binary Fission,and Mitosis

Sexual Reproduction and Meiosis

Patterns of Inheritance

DNA Technology

Forces of Evolutionary Change

Speciation and Extinction

Evolution and Diversity of Microbial Life

Evolution and Diversity of Plants

Evolution and Diversity of Animals

Populations

Communities and Ecosystems

Preserving Biodiversity

Plant Form and Function

Reproduction and Development of Flowering Plants

Animal Tissues and Organ Systems

The Nervous System and the Senses

The Endocrine System

The Skeletal and Muscular Systems

The Circulatory and Respiratory Systems

The Digestive and Urinary Systems

The Immune System

Animal Reproduction and Development

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Exam 13: Evidence of Evolution

What is needed to estimate species relatedness with a molecular clock?

The Cretaceous and Jurassic periods are part of the

Which of the following evolutionary events did not occur during the Mesozic era?

A gene that when mutated leads to organisms with structures in abnormal places is termed

If similarities between two structures in different organisms reflect common ancestry,these structures are

The abundant presence of ammonite fossils in a large area indicates that the area was once part of an ocean.

Absolute dating uses ________ to estimate how old a fossil is.

The number of differences between cytochrome c of humans and cytochrome c of other organisms is as follows: Rhesus monkey - 1 difference; pigeon - 12 differences; fruit fly - 24 differences.The order in which these species are most similar to humans is

Marsupials are mammals that

The half life of ¹⁴C is 5,730 years.If you test a fossilized bone and find that it has 1/8th the ¹⁴C as a modern bone,you could conclude that it is approximately ________ years old.

The Scientific Study of Life

The Chemistry of Life

Cells

The Energy of Life

Photosynthesis

Respiration and Fermentation

DNA Structure and Gene Function

DNA Replication,Binary Fission,and Mitosis

Sexual Reproduction and Meiosis

Patterns of Inheritance

DNA Technology

Forces of Evolutionary Change

Speciation and Extinction

Evolution and Diversity of Microbial Life

Evolution and Diversity of Plants

Evolution and Diversity of Animals

Populations

Communities and Ecosystems

Preserving Biodiversity

Plant Form and Function

Reproduction and Development of Flowering Plants

Animal Tissues and Organ Systems

The Nervous System and the Senses

The Endocrine System

The Skeletal and Muscular Systems

The Circulatory and Respiratory Systems

The Digestive and Urinary Systems

The Immune System

Animal Reproduction and Development

Filters