Question 1

Scientists use mitochondrial DNA to track the migration of humans across the planet.After a group migrates away from their ancestral homeland,any mutations that occur are not mixed with those left in the ancestral population.Based on this,mitochondrial DNA samples taken from ____ would have the most unique mutations,representing the most recent population to migrate to a new area.

Accepted Answer

A)  Africa
B)  Asia
C)  Australia
D)  Europe
E)  AmericasF) D) and E)
G) A) and D)

Question 2

Clays often have charged surfaces.How may this have been important in the formation of organic macromolecules?

Accepted Answer

A)  They are a source of ATP to run chemical reactions
B)  They form covalent bonds with organic building blocks
C)  They can form templates by binding organic building blocks
D)  They are a source of oxygen to break down organic building blocks
E)  They are formed from meteorites that carried organic molecules to EarthF) B) and C)
G) A) and D)

Question 3

Mitochondria arose by endocytosis of ______.

Accepted Answer

A)  An anaerobic bacterium
B)  A photosynthetic bacteria
C)  An aerobic bacterium
D)  An aerobic archaea
E)  A photosynthetic archaeaF) B) and E)
G) A) and E)

Question 4

Hominines include:

Accepted Answer

A)  Humans
B)  Humans, chimpanzees, and gorillas
C)  Gibbons and orangutans
D)  Chimpanzees and gorillas
E)  All are correctF) A) and B)
G) A) and C)

Question 5

Ediacaran organisms:

Accepted Answer

A)  Have been thought to be ferns, worms, or fungi
B)  Lived during the Precambrian period
C)  Lived from about 600 million years ago to about 540 million years ago
D)  Did not leave any modern day descendants
E)  All are correctF) A) and B)
G) B) and E)

Question 6

The theory that complex organisms could arise suddenly from the nonliving was called "The theory of Spontaneous Generation."

Accepted Answer

A) True 
 B)False

Question 7

The Primate order arose about:

Accepted Answer

A)  1 million years ago
B)  10 million years ago
C)  25 million years ago
D)  60 million years ago
E)  100 million years agoF) A) and B)
G) B) and D)

Question 8

How might multicellular organisms have arisen?

Accepted Answer

A)  Single-celled organisms joined together, or failed to separate after cell division
B)  Single-celled organisms joined together
C)  Single-celled organisms failed to separate after cell division
D)  Single-celled organisms joined together, or absorbed other species by endocytosis
E)  One species of organism absorbed another species by endocytosisF) C) and E)
G) A) and D) A

Question 9

The early report that Stanley Miller had created "Life in a Test Tube" in his prebiotic simulations was correct.

Accepted Answer

A) True 
 B)False

Question 10

The three periods of the Mesozoic era in sequence from most ancient to most recent are:

Accepted Answer

A)  Permian, Triassic, and Jurassic
B)  Cambrian, Ordovician, and Silurian
C)  Triassic, Jurassic, and Cretaceous
D)  Cretaceous, Jurassic, and Triassic
E)  Silurian, Ordovician, and CambrianF) A) and E)
G) B) and C)

Question 11

The first vascular plants evolved during the:

Accepted Answer

A)  Cambrian period
B)  Ordovician period
C)  Silurian period
D)  Devonian period
E)  Carboniferous periodF) A) and B)
G) A) and E)

Question 12

Advantages of bipedalism include:

Accepted Answer

A)  Movement through the treetops and clinging to vines
B)  Ability to run faster
C)  Freeing of hands to carry objects and use tools
D)  Increased brain size
E)  All are correctF) B) and D)
G) C) and E)

Question 13

The Burgess Shale fossils are from the:

Accepted Answer

A)  Ordovician period
B)  Silurian period
C)  Cambrian period
D)  Devonian period
E)  Carboniferous periodF) B) and E)
G) D) and E) C

Question 14

Which of the following allowed Homo sapiens to develop complex cultures unlike other members of the Homo genus?

Accepted Answer

A)  The ability to walk upright
B)  The development of agriculture
C)  The ability to migrate out of Africa
D)  Changes in skin color
E)  The ability to use stone toolsF) C) and E)
G) B) and E)

Question 15

Placental mammals appeared during the:

Accepted Answer

A)  Triassic period
B)  Jurassic period
C)  Cretaceous period
D)  Permian period
E)  Tertiary periodF) B) and E)
G) A) and B)

Question 16

Hominids include:

Accepted Answer

A)  Humans
B)  Orangutans
C)  Chimpanzees
D)  Gorillas
E)  All are correctF) A) and E)
G) C) and E) E

Question 17

The "Age of Dinosaurs" lasted about 120 million years and included the:

Accepted Answer

A)  Cambrian and Ordovician periods
B)  Jurassic and Cretaceous periods
C)  Carboniferous and Permian periods
D)  Triassic and Jurassic periods
E)  Cretaceous and Tertiary periodsF) C) and D)
G) B) and C)

Question 18

The earliest cells probably originated about 3.5 billion years ago.

Accepted Answer

A) True 
 B)False

Question 19

The endoplasmic reticulum,Golgi body,and other membranous organelles of cells might have formed by numerous infoldings of the cell's outer membrane.

Accepted Answer

A) True 
 B)False

Question 20

During the first 5-600 million years on Earth the atmosphere was primarily methane,ammonia,and hydrogen,much like other planets in our solar system.How would these conditions favor the formation of biological molecules?

Accepted Answer

A)  Many chemical reactions are favored by high temperature and pressure
B)  Many chemical reactions are inhibited by high temperature and pressure
C)  Oxygen will break down many organic molecules by reduction
D)  Oxygen will break down many organic molecules by oxidation
E)  Oxygen is necessary to produce many organic moleculesF) A) and B)
G) D) and E)

Exam 14: The Origin and History of Life

Correct Answer
verified

Clays often have charged surfaces.How may this have been important in the formation of organic macromolecules?

Correct Answer
verified

Mitochondria arose by endocytosis of ______.

Correct Answer
verified

Hominines include:

Correct Answer
verified

Ediacaran organisms:

Correct Answer
verified

The theory that complex organisms could arise suddenly from the nonliving was called "The theory of Spontaneous Generation."

Correct Answer
verified

The Primate order arose about:

Correct Answer
verified

How might multicellular organisms have arisen?

Correct Answer
verified
A

The early report that Stanley Miller had created "Life in a Test Tube" in his prebiotic simulations was correct.

Correct Answer
verified

The three periods of the Mesozoic era in sequence from most ancient to most recent are:

Correct Answer
verified

The first vascular plants evolved during the:

Correct Answer
verified

Advantages of bipedalism include:

Correct Answer
verified

The Burgess Shale fossils are from the:

Correct Answer
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C

Which of the following allowed Homo sapiens to develop complex cultures unlike other members of the Homo genus?

Correct Answer
verified

Placental mammals appeared during the:

Correct Answer
verified

Hominids include:

Correct Answer
verified
E

The "Age of Dinosaurs" lasted about 120 million years and included the:

Correct Answer
verified

The earliest cells probably originated about 3.5 billion years ago.

Correct Answer
verified

The endoplasmic reticulum,Golgi body,and other membranous organelles of cells might have formed by numerous infoldings of the cell's outer membrane.

Correct Answer
verified

During the first 5-600 million years on Earth the atmosphere was primarily methane,ammonia,and hydrogen,much like other planets in our solar system.How would these conditions favor the formation of biological molecules?

Correct Answer
verified

Exam 14: The Origin and History of Life

Correct AnswerverifiedShow Answer

Clays often have charged surfaces.How may this have been important in the formation of organic macromolecules?

Correct AnswerverifiedShow Answer

Mitochondria arose by endocytosis of ______.

Correct AnswerverifiedShow Answer

Hominines include:

Correct AnswerverifiedShow Answer

Ediacaran organisms:

Correct AnswerverifiedShow Answer

The theory that complex organisms could arise suddenly from the nonliving was called "The theory of Spontaneous Generation."

Correct AnswerverifiedShow Answer

The Primate order arose about:

Correct AnswerverifiedShow Answer

How might multicellular organisms have arisen?

Correct AnswerverifiedA

The early report that Stanley Miller had created "Life in a Test Tube" in his prebiotic simulations was correct.

Correct AnswerverifiedShow Answer

The three periods of the Mesozoic era in sequence from most ancient to most recent are:

Correct AnswerverifiedShow Answer

The first vascular plants evolved during the:

Correct AnswerverifiedShow Answer

Advantages of bipedalism include:

Correct AnswerverifiedShow Answer

The Burgess Shale fossils are from the:

Correct AnswerverifiedC

Which of the following allowed Homo sapiens to develop complex cultures unlike other members of the Homo genus?

Correct AnswerverifiedShow Answer

Placental mammals appeared during the:

Correct AnswerverifiedShow Answer

Hominids include:

Correct AnswerverifiedE

The "Age of Dinosaurs" lasted about 120 million years and included the:

Correct AnswerverifiedShow Answer

The earliest cells probably originated about 3.5 billion years ago.

Correct AnswerverifiedShow Answer

The endoplasmic reticulum,Golgi body,and other membranous organelles of cells might have formed by numerous infoldings of the cell's outer membrane.

Correct AnswerverifiedShow Answer

During the first 5-600 million years on Earth the atmosphere was primarily methane,ammonia,and hydrogen,much like other planets in our solar system.How would these conditions favor the formation of biological molecules?

Correct AnswerverifiedShow Answer

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A

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C

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E

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