Question 1

The controlling factor in variation in organisms is based on the presence or absence of genes.

Accepted Answer

A) True 
 B)False

Question 2

If Parent 1 has the genetic makeup AA,meaning that he carries the dominant gene for trait A twice,and parent 2 has the genetic makeup aa,meaning that she carries the recessive gene for trait A twice,what is the chance that the offspring of these two parents will have the recessive form of trait A? Explain.

Accepted Answer

Zero.Any offspring w

Question 3

Which of the following is not a component of the Darwin-Wallace theory of natural selection?

Accepted Answer

A)  All populations contain heritable variations. 
B)  Some variations are more favorable than others. 
C)  Not all young survive to maturity. 
D)  Those with favorable variations are most likely to survive and pass those variations on to their offspring. 
E)  All organisms can knowingly select their genetic direction. 
A)  All populations contain heritable variations. 
B)  Some variations are more favorable than others. 
C)  Not all young survive to maturity. 
D)  Those with favorable variations are most likely to survive and pass those variations on to their offspring. 
E)  All organisms can knowingly select their genetic direction.

Question 4

Complex,double-stranded,helical molecules of DNA are called ____________________.

Accepted Answer

The answer of Complex,double-stranded,helical molecules of DNA are called ____________________....

Question 5

The type of cell division in which resulting cells contain one chromosome from each pair is called ____________________.

Accepted Answer

The answer of The type of cell division in which...

Question 6

Whose original concept of inheritance did Lysenko's ideas reflect?

Accepted Answer

A)  Thomas Malthus 
B)  Georges Cuvier 
C)  Jean Baptiste de Lamarck 
D)  Charles Darwin 
E)  Carolus Linnaeus 
A)  Thomas Malthus 
B)  Georges Cuvier 
C)  Jean Baptiste de Lamarck 
D)  Charles Darwin 
E)  Carolus Linnaeus

Question 7

According to the concept of ____________________,an ancestral species changes gradually and continuously and grades imperceptibly into a descent species.

Accepted Answer

The answer of According to the concept of ____________________,an ancestral...

Question 8

The only factor necessary for evolution to occur is that there must be variation in organisms in a population.

Accepted Answer

A) True 
 B)False

Question 9

Briefly state the factors that entered into the modern view or modern synthesis of the concept of evolution by natural selection.

Accepted Answer

Scientists from several disciplines cont

Question 10

Briefly explain how the phylogeny of an extinct group can be determined.

Accepted Answer

If sufficient fossil material

Question 11

Whether a mutation is harmful or beneficial can only be judged in respect to the conditions in which the organism lives.

Accepted Answer

A) True 
 B)False

Question 12

What role does the process of extinction play in the evolution of life?

Accepted Answer

When one species goes extinct,the disapp

Question 13

Lysenko and his colleagues increased food production significantly.

Accepted Answer

A) True 
 B)False

Question 14

Lysenko's research was endorsed by the Soviet government because it seemed compatible with Marxist-Leninist philosophy.

Accepted Answer

A) True 
 B)False

Question 15

The science of genetics was developed based on experimental studies using fruit flies.

Accepted Answer

A) True 
 B)False

Question 16

The fossil record shows a sequence of variations based on what?

Accepted Answer

A)  density of organisms 
B)  shape of organisms 
C)  size of organisms 
D)  different life forms 
E)  none of these 
A)  density of organisms 
B)  shape of organisms 
C)  size of organisms 
D)  different life forms 
E)  none of these

Question 17

Describe the DNA molecule.

Accepted Answer

DNA is a c

Question 18

Vestigial structures are those that have only small pieces remaining on an organism.

Accepted Answer

A) True 
 B)False

Question 19

Linnaeus devised his classification scheme to provide a ____.

Accepted Answer

A)  basis for the theory of evolution 
B)  basis for understanding the biblical creation theory 
C)  means to refute the theory of biblical creation 
D)  means to refute the theory of evolution 
E)  means to categorize organisms with like characteristics 
A)  basis for the theory of evolution 
B)  basis for understanding the biblical creation theory 
C)  means to refute the theory of biblical creation 
D)  means to refute the theory of evolution 
E)  means to categorize organisms with like characteristics

Question 20

____________________ are the only record of prehistoric life.

Accepted Answer

The answer of ____________________ are the only record of prehistoric...

Exam 18: Organic Evolution The Theory and Its Supporting Evidence

The controlling factor in variation in organisms is based on the presence or absence of genes.

Which of the following is not a component of the Darwin-Wallace theory of natural selection?

Complex,double-stranded,helical molecules of DNA are called ____________________.

The type of cell division in which resulting cells contain one chromosome from each pair is called ____________________.

Whose original concept of inheritance did Lysenko's ideas reflect?

According to the concept of ____________________,an ancestral species changes gradually and continuously and grades imperceptibly into a descent species.

The only factor necessary for evolution to occur is that there must be variation in organisms in a population.

Briefly state the factors that entered into the modern view or modern synthesis of the concept of evolution by natural selection.

Briefly explain how the phylogeny of an extinct group can be determined.

Whether a mutation is harmful or beneficial can only be judged in respect to the conditions in which the organism lives.

What role does the process of extinction play in the evolution of life?

Lysenko and his colleagues increased food production significantly.

Lysenko's research was endorsed by the Soviet government because it seemed compatible with Marxist-Leninist philosophy.

The science of genetics was developed based on experimental studies using fruit flies.

The fossil record shows a sequence of variations based on what?

Describe the DNA molecule.

Vestigial structures are those that have only small pieces remaining on an organism.

Linnaeus devised his classification scheme to provide a ____.

____________________ are the only record of prehistoric life.

Understanding Earth: A Dynamic and Evolving Planet

Plate Tectonics: A Unifying Theory

Minerals The Building Blocks of Rocks

Igneous Rocks and Plutons

Volcanoes and Volcanism

Weathering, Erosion, and Soil

Sediment and Sedimentary Rocks

Metamorphism and Metamorphic Rocks

Earthquakes and Earth's Interior

Deformation,Mountain Building,and Earth's Crust

Mass Wasting

Running Water Streams and Rivers

Groundwater

Glaciers and Glaciation

The Work of Wind and Deserts

Oceans, Shorelines, and Shoreline Processes

Geologic Time: Concepts and Principles

Precambrian Earth and Life History

Paleozoic Earth History

Paleozoic Life History

Mesozoic Earth and Life History

Cenozoic Earth and Life History

Geology in Perspective

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