Question 1

The endosymbiont theory proposes that

Accepted Answer

A)  species of engulfed cells, by another species, survived many generations, and then specialized as mitochondria or chloroplasts. 
B)  cell membranes of ancestral cells folded into complex networks, eventually regulated by the DNA to form cell organelles. 
C)  liposome lipid bubbles structures responded to progenote molecules, forming functional cell membranes to contain them. 
D)  None of the answer choices are correct. 
E)  progenotes collectively organized into metabolically sustaining and reproducing structures resembling modern cells. 
A)  species of engulfed cells, by another species, survived many generations, and then specialized as mitochondria or chloroplasts. 
B)  cell membranes of ancestral cells folded into complex networks, eventually regulated by the DNA to form cell organelles. 
C)  liposome lipid bubbles structures responded to progenote molecules, forming functional cell membranes to contain them. 
D)  None of the answer choices are correct. 
E)  progenotes collectively organized into metabolically sustaining and reproducing structures resembling modern cells.

Question 2

The "Age of Dinosaurs" lasted about 120 million years and included the _____ periods.

Accepted Answer

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

Question 3

Placental mammals appeared during the _____ period.

Accepted Answer

A)  Permian 
B)  Jurassic 
C)  Triassic 
D)  Cretaceous 
E)  Tertiary 
A)  Permian 
B)  Jurassic 
C)  Triassic 
D)  Cretaceous 
E)  Tertiary

Question 4

A time of great adaptive radiation for mammals occurred during the Tertiary period.

Accepted Answer

A) True 
 B)False

Question 5

The swinging from one arm to the other with the body dangling below is

Accepted Answer

A)  "knuckle walking." 
B)  bipedalism. 
C)  quatrapedalism. 
D)  brachiation. 
E)  All of the answer choices are correct. 
A)  "knuckle walking." 
B)  bipedalism. 
C)  quatrapedalism. 
D)  brachiation. 
E)  All of the answer choices are correct.

Question 6

It is thought that the first multicellular organisms arose about _____ years ago.

Accepted Answer

A)  500 million 
B)  1.2 billion 
C)  six billion 
D)  3.5 billion 
E)  three billion 
A)  500 million 
B)  1.2 billion 
C)  six billion 
D)  3.5 billion 
E)  three billion

Question 7

Place the labeled traits in this list in the interpreted sequence in which they developed through the Paleozoic era. A = lobe-finned fishes and amphibians could survive in water and on land
B = winged insects,resembling today's,thrived in varying land habitats
C = vascular tissues allowed larger plants to diversify land habitats
D = the amniote egg protected and nourished eggs away from water
E = jawless fishes appeared in the oceans

Accepted Answer

A)  B, C, A, D, E 
B)  D, A, E, C, B 
C)  A, B, E, C, D 
D)  E, C, A, B, D 
E)  A, B, C, D, E 
A)  B, C, A, D, E 
B)  D, A, E, C, B 
C)  A, B, E, C, D 
D)  E, C, A, B, D 
E)  A, B, C, D, E

Question 8

The major Canadian geological deposit that contains numerous Cambrian animals is the

Accepted Answer

A)  Gondwana formation. 
B)  hydrothermal clays. 
C)  Stomatolite formation. 
D)  Ordovician coast. 
E)  Burgess shale. 
A)  Gondwana formation. 
B)  hydrothermal clays. 
C)  Stomatolite formation. 
D)  Ordovician coast. 
E)  Burgess shale.

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 Cenozoic era consists of the _____ periods.

Accepted Answer

A)  Triassic and Jurassic 
B)  Permian and Triassic 
C)  Jurassic and Cretaceous 
D)  Tertiary and Quaternary 
E)  Cretaceous and Tertiary 
A)  Triassic and Jurassic 
B)  Permian and Triassic 
C)  Jurassic and Cretaceous 
D)  Tertiary and Quaternary 
E)  Cretaceous and Tertiary

Question 11

The endoplasmic reticulum,Golgi apparatus,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 12

It is thought that eukaryotes probably originated about _____ years ago.

Accepted Answer

A)  four billion 
B)  three million 
C)  four million 
D)  three billion 
E)  two billion 
A)  four billion 
B)  three million 
C)  four million 
D)  three billion 
E)  two billion

Question 13

Stanley Miller's first prebiotic simulation experiment showed that,under the right conditions,Oparin's ancient atmosphere could allow for the formation of

Accepted Answer

A)  living cells. 
B)  liposomes. 
C)  amino acids. 
D)  plants. 
E)  DNA molecules. 
A)  living cells. 
B)  liposomes. 
C)  amino acids. 
D)  plants. 
E)  DNA molecules.

Question 14

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 fewest unique mutations,representing the original and oldest DNA sequences.

Accepted Answer

A)  Asia 
B)  the Americas 
C)  Africa 
D)  Australia 
E)  Europe 
A)  Asia 
B)  the Americas 
C)  Africa 
D)  Australia 
E)  Europe

Question 15

What was one of the predictions tested by Li and ten other scientists,in examination of the genetics of people from African,Asian,and European descent?

Accepted Answer

A)  DNA analysis would show that humans further from central Africa would have many more genes to identify. 
B)  Gene pools of people outside of Africa should be less similar to each other, than they are to people within Africa. 
C)  The genetic diversity of people within Africa should be greater than people on other continents. 
D)  Australopithecus did not interbreed with humans as strongly as Neanderthals. 
E)  The genetic diversity in Africa decreased about 100,000 years ago when humans began immigrating. 
A)  DNA analysis would show that humans further from central Africa would have many more genes to identify. 
B)  Gene pools of people outside of Africa should be less similar to each other, than they are to people within Africa. 
C)  The genetic diversity of people within Africa should be greater than people on other continents. 
D)  Australopithecus did not interbreed with humans as strongly as Neanderthals. 
E)  The genetic diversity in Africa decreased about 100,000 years ago when humans began immigrating.

Question 16

The theory that organisms could arise suddenly from the nonliving component chemicals was called the theory of spontaneous generation.

Accepted Answer

A) True 
 B)False

Question 17

Carl Woese named an ancient aggregate of DNA,RNA,proteins,and lipids a

Accepted Answer

A)  progenote. 
B)  liposome. 
C)  molecule. 
D)  domain. 
E)  cell. 
A)  progenote. 
B)  liposome. 
C)  molecule. 
D)  domain. 
E)  cell.

Question 18

The plate tectonics that acted on separating Gondwana and Laurasia would have had the environmental (climate)impacts of

Accepted Answer

A)  moving more landmasses and coastlines towards the poles, producing colder climates. 
B)  Both answers, in which the landmasses generally transitioned to cooler climates, and more coastal habitats were opened, are correct. 
C)  opened more coastal habitats available for adaptive radiation of coastal marine species. 
D)  moving more landmasses and coastlines towards the equator, producing warmer climates. 
E)  confused migrating organisms and entire populations, as the geographic positions changed due to the tectonic shifts. 
A)  moving more landmasses and coastlines towards the poles, producing colder climates. 
B)  Both answers, in which the landmasses generally transitioned to cooler climates, and more coastal habitats were opened, are correct. 
C)  opened more coastal habitats available for adaptive radiation of coastal marine species. 
D)  moving more landmasses and coastlines towards the equator, producing warmer climates. 
E)  confused migrating organisms and entire populations, as the geographic positions changed due to the tectonic shifts.

Question 19

The Mesozoic era lasted from about

Accepted Answer

A)  500 million years ago to 250 million years ago. 
B)  540 million years ago to 250 million years ago. 
C)  65 million years ago to two million years ago. 
D)  250 million years ago to 65 million years ago. 
E)  one billion years ago to 500 million years ago. 
A)  500 million years ago to 250 million years ago. 
B)  540 million years ago to 250 million years ago. 
C)  65 million years ago to two million years ago. 
D)  250 million years ago to 65 million years ago. 
E)  one billion years ago to 500 million years ago.

Question 20

According to Miller and other researchers,the most difficult condition to have been met in an "RNA world" was to

Accepted Answer

A)  produce specialized molecules, such as enzymes, lipids, and carbohydrates that supported life functions. 
B)  produce chemical reactions that would produce large molecules. 
C)  have converted clay particles into organic molecules. 
D)  synthesize molecules that would coalesce into the correct shape and structure of cells. 
E)  have established molecules that reproduce themselves. 
A)  produce specialized molecules, such as enzymes, lipids, and carbohydrates that supported life functions. 
B)  produce chemical reactions that would produce large molecules. 
C)  have converted clay particles into organic molecules. 
D)  synthesize molecules that would coalesce into the correct shape and structure of cells. 
E)  have established molecules that reproduce themselves.

Exam 15: The Origin and History of Life

The endosymbiont theory proposes that

The "Age of Dinosaurs" lasted about 120 million years and included the _____ periods.

Placental mammals appeared during the _____ period.

A time of great adaptive radiation for mammals occurred during the Tertiary period.

The swinging from one arm to the other with the body dangling below is

It is thought that the first multicellular organisms arose about _____ years ago.

The major Canadian geological deposit that contains numerous Cambrian animals is the

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

The Cenozoic era consists of the _____ periods.

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

It is thought that eukaryotes probably originated about _____ years ago.

Stanley Miller's first prebiotic simulation experiment showed that,under the right conditions,Oparin's ancient atmosphere could allow for the formation of

What was one of the predictions tested by Li and ten other scientists,in examination of the genetics of people from African,Asian,and European descent?

The theory that organisms could arise suddenly from the nonliving component chemicals was called the theory of spontaneous generation.

Carl Woese named an ancient aggregate of DNA,RNA,proteins,and lipids a

The plate tectonics that acted on separating Gondwana and Laurasia would have had the environmental (climate)impacts of

The Mesozoic era lasted from about

According to Miller and other researchers,the most difficult condition to have been met in an "RNA world" was to

The Scientific Study of Life

The Chemistry of Life

Cell Structure and Function

The Energy of Life

Photosynthesis

How Cells Release Energy

DNA Structure and Gene Function

DNA Replication, mitosis, and the Cell Cycle

Sexual Reproduction and Meiosis

Patterns of Inheritance

DNA Technology

The Forces of Evolutionary Change

Evidence of Evolution

Speciation and Extinction

Viruses

Bacteria and Archaea

Protists

Plants

Fungi

Animals

Plant Form and Function

Plant Nutrition and Transport

Reproduction and Development of Flowering Plants

Animal Tissues and Organ Systems

The Nervous System

The Senses

The Endocrine System

The Skeletal and Muscular Systems

The Circulatory System

The Respiratory System

Digestion and Nutrition

Regulation of Temperature and Body Fluids

The Immune System

Animal Reproduction and Development

Animal Behavior

Population Ecology

Communities and Ecosystems

Biomes

Preserving Biodiversity

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