Question 1

Which statement is accurate if the first true cell arose by the RNA-first hypothesis?

Accepted Answer

A)   The first cell had RNA genes that could have specified protein synthesis.
B)   Proteins in the protocell would have evolved the ability to synthesize DNA.
C)   RNA genes replicated because of the presence of proteins.
D)   All of these statements support the RNA-first hypothesis.
E)   None of these statements support the RNA-first hypothesis.F) C) and D)
G) A) and D)

Question 2

What were the two different types of australopithecines?

Accepted Answer

A)   erect, knuckle-walker
B)   carnivorous, omnivorous
C)   arboreal, terrestrial
D)   gracile, robust
E)   hunting, gatheringF) C) and D)
G) A) and B)

Question 3

What is a characteristic that makes an organism able to survive and reproduce in its environment?

Accepted Answer

A)   culture
B)   selection
C)   analogy
D)   adaptation
E)   homologyF) A) and B)
G) C) and E)

Question 4

The hypothesis that life began with the evolution of inorganic compounds into simple organic molecules, macromolecules, and protocells is called what?

Accepted Answer

A)   cell theory
B)   chemical evolution
C)   Darwinian evolution
D)   speciation
E)   organic chemistryF) C) and E)
G) C) and D)

Question 5

Humans belong to which phylum?

Accepted Answer

A)   Eukarya
B)   Animalia
C)   Chordata
D)   Mammalia
E)   PrimatesF) All of the above
G) A) and E)

Question 6

Which of the following describes the limb anatomy of australopithecines?

Accepted Answer

A)   walked on all fours, forelimbs longer than hindlimbs
B)   walked upright, forelimbs longer than hindlimbs
C)   walked on all fours, hindlimbs longer than forelimbs
D)   walked upright, hindlimbs longer than forelimbs
E)   walked on all fours and used their tails for balanceF) A) and D)
G) A) and C)

Question 7

List and describe the development of anatomical features that occurred during primate evolution.

Accepted Answer

Mobile forelimbs and hindlimbs: primates...

Question 8

Which of the following statements concerning evolution is not true?

Accepted Answer

A)   Unicellular eukaryotes evolved before multicellular eukaryotes.
B)   Fishes evolved before terrestrial plants.
C)   Nonflowering plants preceded the flowering plants.
D)   Reptiles preceded the amphibians.
E)   Fishes evolved before terrestrial animals.F) B) and D)
G) None of the above

Question 9

What type of evidence for evolution would arise from a comparison of the DNA sequence of humans and monkeys?

Accepted Answer

A)   biogeographical
B)   anatomical
C)   biochemical
D)   fossil record
E)   historicalF) A) and D)
G) A) and C)

Question 10

What is considered one of the best sources of evidence for biological evolution?

Accepted Answer

A)   fossil record
B)   the presence of analogous structures
C)   evidence for an intelligent designer
D)   the biblical creation storyE) B) and C)
F) B) and D)

Question 11

What is the earliest fossil hominin?

Accepted Answer

A)   Sahelanthropus tchadensis
B)   Australopithecus robustus
C)   Australopithecus africanus
D)   Ardipithecus kadabba
E)   Ardipithecus ramidusF) A) and E)
G) None of the above

Question 12

What type of rock preserves fossils well?

Accepted Answer

A)   sedimentary rock
B)   igneous rock
C)   metamorphic rock
D)   gravel
E)   graniteF) B) and D)
G) B) and C)

Question 13

Which of the following is not a true statement concerning Homo habilis?

Accepted Answer

A)   They had not yet developed tools.
B)   They have a brain size about 45% larger than A. afarensis.
C)   The cheek teeth are smaller than even those of the gracile australopithecines.
D)   The portions of the brain associated with speech are enlarged.
E)   They may have been the first to develop culture.F) B) and E)
G) C) and D)

Question 14

Which piece of evidence would strongly support the RNA-first hypothesis?

Accepted Answer

A)   finding a protocell that could carry on metabolism as well as reproduce
B)   discovering a way to make RNA more stable than DNA
C)   finding a mechanism whereby proteins could assemble DNA out of free nucleotides
D)   being able to build microspheres that contain only protein and RNA
E)   finding a living organism that uses RNA as its genetic materialF) B) and E)
G) C) and E)

Question 15

The fact that marsupials are not as diverse in South America as they are in Australia would be classified as what type of evidence for evolution?

Accepted Answer

A)   biogeographical
B)   anatomical
C)   biochemical
D)   fossil record
E)   molecular evidenceF) None of the above
G) A) and C)

Question 16

What did Darwin conclude from the observation that there are no rabbits in South America?

Accepted Answer

A)   Rabbits cannot live in South America because it is too warm.
B)   Rabbits cannot live in South America because they do not have a good food source.
C)   Rabbits evolved somewhere else and had no means of reaching South America.
D)   Rabbits were originally found in South America but went extinct.
E)   Rabbits in South America evolved into guinea pigs and thus are no longer present.F) A) and C)
G) A) and B)

Question 17

Which primate is found within the anthropoid group with humans?

Accepted Answer

A)   monkeys
B)   lemurs
C)   tarsiers
D)   lorises
E)   elephantsF) A) and B)
G) B) and E)

Question 18

According to the replacement model for the evolution of Homo sapiens, modern humans evolved in Africa, Asia, and Europe simultaneously.

Accepted Answer

A) True 
 B)False

Question 19

According to Bergmann's rule,

Accepted Answer

A)   hominins such as Cro-Magnons were capable of symbolic thinking, because they buried their dead with flowers.
B)   plants and animals that live at the same time evolve together.
C)   animals in colder regions have bulkier body builds.
D)   variation exists because of genetic inheritance.
E)   the longer two populations have been separated, the more genetically disparate they will be.F) All of the above
G) A) and E)

Question 20

Which statement regarding cell reproduction is true?

Accepted Answer

A)   DNA replicates before cell division occurs.
B)   Cell division occurs prior to DNA replication.
C)   DNA replication and cell division occur at the same time.
D)   There is no DNA replication during cell reproduction.
E)   There is no cell division during cell reproduction.F) A) and E)
G) A) and C)

Exam 23: Hummen Evolution

The hypothesis that life began with the evolution of inorganic compounds into simple organic molecules, macromolecules, and protocells is called what?

Correct AnswerverifiedShow Answer

According to the replacement model for the evolution of Homo sapiens, modern humans evolved in Africa, Asia, and Europe simultaneously.

Correct AnswerverifiedShow Answer

Which statement regarding cell reproduction is true?

Correct AnswerverifiedShow Answer

Which of the following is not a true statement concerning Homo habilis?

Correct AnswerverifiedShow Answer

According to Bergmann's rule,

Correct AnswerverifiedShow Answer

What is a characteristic that makes an organism able to survive and reproduce in its environment?

Correct AnswerverifiedShow Answer

What is the earliest fossil hominin?

Correct AnswerverifiedShow Answer

Which piece of evidence would strongly support the RNA-first hypothesis?

Correct AnswerverifiedShow Answer

What did Darwin conclude from the observation that there are no rabbits in South America?

Correct AnswerverifiedShow Answer

Which statement is accurate if the first true cell arose by the RNA-first hypothesis?

Correct AnswerverifiedShow Answer

Which primate is found within the anthropoid group with humans?

Correct AnswerverifiedShow Answer

What is considered one of the best sources of evidence for biological evolution?

Correct AnswerverifiedShow Answer

What type of evidence for evolution would arise from a comparison of the DNA sequence of humans and monkeys?

Correct AnswerverifiedShow Answer

List and describe the development of anatomical features that occurred during primate evolution.

Correct AnswerverifiedMobile forelimbs and hindlimbs: primates...View AnswerShow Answer

Which of the following describes the limb anatomy of australopithecines?

Correct AnswerverifiedShow Answer

Humans belong to which phylum?

Correct AnswerverifiedShow Answer

Which of the following statements concerning evolution is not true?

Correct AnswerverifiedShow Answer

The fact that marsupials are not as diverse in South America as they are in Australia would be classified as what type of evidence for evolution?

Correct AnswerverifiedShow Answer

What type of rock preserves fossils well?

Correct AnswerverifiedShow Answer

What were the two different types of australopithecines?

Correct AnswerverifiedShow Answer

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Mobile forelimbs and hindlimbs: primates...
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