Question 1

Prokaryotic cells are represented by fossils that are dated back as far as _____ billion years ago.

Accepted Answer

A)   1.5
B)   2.5
C)   3.5
D)   4.5
E)   10F) A) and B)
G) All of the above

Question 2

All the members of a single species that occupy a particular area and are able to interbreed are a

Accepted Answer

A)   subspecies.
B)   gene pool.
C)   population.
D)   domain.
E)   community.F) A) and B)
G) A) and C)

Question 3

Anatomical features that are fully developed and functional in one group of organisms but reduced and functionless in a similar group are termed

Accepted Answer

A)   vestigial.
B)   homologous.
C)   analogous.
D)   polygenic.
E)   sympatric.F) C) and D)
G) A) and B)

Question 4

Which of the following conditions does NOT contribute to evolution?

Accepted Answer

A)   mutations
B)   gene flow
C)   genetic drift
D)   natural selection
E)   unchanging environmental conditionsF) B) and D)
G) None of the above

Question 5

Lamarck's ideas on evolution were adopted by some Russian scientists,including Michurin and Lysenko in Stalinist Russia.Their textbooks printed Lysenko's assertions that a wheat plant could be made cold-hardy by conditioning in cold storage,or that workmen who develop strong muscles due to working in the mines would produce children who would be born stronger.Which of the major premises of evolution by natural selection was violated?

Accepted Answer

A)   The organisms vary in traits.
B)   The acquired characteristics are inherited.
C)   More young are born than can survive.
D)   Some individuals are better adapted to the environment.
E)   The environment selects for phenotype.F) A) and C)
G) B) and C)

Question 6

Almost all living organisms use DNA,ATP,and the same DNA triplet code.This is an example of evolution based on

Accepted Answer

A)   fossil record.
B)   biogeography.
C)   comparative anatomy.
D)   comparative embryology.
E)   comparative biochemistry.F) B) and C)
G) C) and D)

Question 7

Within the field of systematic biology scientists use the characteristics of living and fossil organisms to infer the evolutionary relationships among organisms.

Accepted Answer

A) True 
 B)False

Question 8

Which of the following is not a feature of punctuated equilibrium?

Accepted Answer

A)   slow and steady change within a lineage before and after a divergence
B)   long periods of stasis
C)   no visible change in a species
D)   rapid periods of speciation
E)   relatively few transitional speciesF) C) and D)
G) B) and E)

Question 9

A random alteration in the sequence of DNA nucleotides that provides a new variant allele is

Accepted Answer

A)   gene mutation.
B)   polymorphism.
C)   gene frequency.
D)   disruption.
E)   allele frequency.F) None of the above
G) C) and D)

Question 10

According to the proposed three domain system,

Accepted Answer

A)   archaea and eukarya are more closely related than either is to the bacteria.
B)   archaea and bacteria are more closely related than either is to the eukarya.
C)   bacteria and eukarya are more closely related than either is to the archaea.
D)   all three groups arose separately.
E)   all three groups are equally related.F) B) and D)
G) A) and D)

Question 11

The ____ is the total number of alleles of all the gene loci in all the members of a population.

Accepted Answer

A)   genetic drift
B)   gene flow
C)   gene pool
D)   adaptive radiation
E)   communityF) C) and E)
G) All of the above

Exam 27: Evolution of Life

A random alteration in the sequence of DNA nucleotides that provides a new variant allele is

Correct Answer
verified

Anatomical features that are fully developed and functional in one group of organisms but reduced and functionless in a similar group are termed

Correct Answer
verified

The ____ is the total number of alleles of all the gene loci in all the members of a population.

Correct Answer
verified

Prokaryotic cells are represented by fossils that are dated back as far as _____ billion years ago.

Correct Answer
verified

All the members of a single species that occupy a particular area and are able to interbreed are a

Correct Answer
verified

Which of the following is not a feature of punctuated equilibrium?

Correct Answer
verified

According to the proposed three domain system,

Correct Answer
verified

Which of the following conditions does NOT contribute to evolution?

Correct Answer
verified

Almost all living organisms use DNA,ATP,and the same DNA triplet code.This is an example of evolution based on

Correct Answer
verified

Correct Answer
verified

Within the field of systematic biology scientists use the characteristics of living and fossil organisms to infer the evolutionary relationships among organisms.

Correct Answer
verified

Exam 27: Evolution of Life

A random alteration in the sequence of DNA nucleotides that provides a new variant allele is

Correct AnswerverifiedShow Answer

Anatomical features that are fully developed and functional in one group of organisms but reduced and functionless in a similar group are termed

Correct AnswerverifiedShow Answer

The ____ is the total number of alleles of all the gene loci in all the members of a population.

Correct AnswerverifiedShow Answer

Prokaryotic cells are represented by fossils that are dated back as far as _____ billion years ago.

Correct AnswerverifiedShow Answer

All the members of a single species that occupy a particular area and are able to interbreed are a

Correct AnswerverifiedShow Answer

Which of the following is not a feature of punctuated equilibrium?

Correct AnswerverifiedShow Answer

According to the proposed three domain system,

Correct AnswerverifiedShow Answer

Which of the following conditions does NOT contribute to evolution?

Correct AnswerverifiedShow Answer

Almost all living organisms use DNA,ATP,and the same DNA triplet code.This is an example of evolution based on

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Within the field of systematic biology scientists use the characteristics of living and fossil organisms to infer the evolutionary relationships among organisms.

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified