Question 1

Which one of the habitats below would have the most species diversity?

Accepted Answer

A)  tundra 
B)  deciduous forest 
C)  peat bog 
D)  tropical rain forest 
E)  desert 
A)  tundra 
B)  deciduous forest 
C)  peat bog 
D)  tropical rain forest 
E)  desert

Question 2

The five kingdoms have been reassigned into three domains based on

Accepted Answer

A)  shared traits. 
B)  DNA homology. 
C)  comparative anatomy. 
D)  embryology. 
E)  animals or monera. 
A)  shared traits. 
B)  DNA homology. 
C)  comparative anatomy. 
D)  embryology. 
E)  animals or monera.

Question 3

Which period contains the present day?

Accepted Answer

A)  Tertiary 
B)  Quaternary 
C)  Cambrian 
D)  Carboniferous 
E)  Cenozoic 
A)  Tertiary 
B)  Quaternary 
C)  Cambrian 
D)  Carboniferous 
E)  Cenozoic

Question 4

The first fossil remains are from this geologic time.

Accepted Answer

A)  Pre-Cambrian 
B)  Cambrian 
C)  Paleozoic 
D)  Cenozoic 
E)  Mesozoic 
A)  Pre-Cambrian 
B)  Cambrian 
C)  Paleozoic 
D)  Cenozoic 
E)  Mesozoic

Question 5

Large plant-eating dinosaurs were common during the _____ period.

Accepted Answer

A)  Cambrian 
B)  Tertiary 
C)  Cretaceous 
D)  Carboniferous 
E)  Jurassic 
A)  Cambrian 
B)  Tertiary 
C)  Cretaceous 
D)  Carboniferous 
E)  Jurassic

Question 6

Life first began during the _____ period.

Accepted Answer

A)  Cambrian 
B)  Archean 
C)  Jurassic 
D)  Proterozoic 
E)  Tertiary 
A)  Cambrian 
B)  Archean 
C)  Jurassic 
D)  Proterozoic 
E)  Tertiary

Question 7

This gas began to accumulate between 3 and 2.5 billion years ago.

Accepted Answer

A)  hydrogen 
B)  oxygen 
C)  methane 
D)  ammonia 
E)  carbon dioxide 
A)  hydrogen 
B)  oxygen 
C)  methane 
D)  ammonia 
E)  carbon dioxide

Question 8

Although this group has the least number of identified and classified species,its diversity is really unknown.

Accepted Answer

A)  invertebrate animals 
B)  plants 
C)  prokaryotes 
D)  fungi 
E)  vertebrate animals 
A)  invertebrate animals 
B)  plants 
C)  prokaryotes 
D)  fungi 
E)  vertebrate animals

Question 9

To determine the age of organic remains,the decay of which radioactive element(s)are measured?

Accepted Answer

A)  carbon-14 
B)  uranium-238 
C)  uranium-238 and carbon-14 
D)  carbon-12 
E)  uranium-240 
A)  carbon-14 
B)  uranium-238 
C)  uranium-238 and carbon-14 
D)  carbon-12 
E)  uranium-240

Question 10

If a radiometric analysis of an isotope and its stable element yielded 25% of the isotope and 75% of its stable element,how many half-lives would have occurred?

Accepted Answer

A)  5 
B)  4 
C)  3 
D)  2 
E)  1 
A)  5 
B)  4 
C)  3 
D)  2 
E)  1

Question 11

The half-life of uranium-238 is 4.5 billion years.Uranium-238 decays to lead-206.You find a rock with 18,000 atoms of uranium-238 and 6,000 atoms of lead-206.How old is the rock?

Accepted Answer

A)  1.12 billion years old 
B)  2.25 billion years old 
C)  4.45 billion years old 
D)  6.75 billion years old 
E)  8.90 billion years old 
A)  1.12 billion years old 
B)  2.25 billion years old 
C)  4.45 billion years old 
D)  6.75 billion years old 
E)  8.90 billion years old

Question 12

India was an island _____ million years ago.

Accepted Answer

A)  500 
B)  1 
C)  65 
D)  135 
E)  245 
A)  500 
B)  1 
C)  65 
D)  135 
E)  245

Question 13

Define the term half-life.

Accepted Answer

The time it takes fo

Question 14

The movement of Earth's crust is termed

Accepted Answer

A)  volcanism. 
B)  pangaea. 
C)  plate tectonics. 
D)  biogeography. 
E)  the continental divide. 
A)  volcanism. 
B)  pangaea. 
C)  plate tectonics. 
D)  biogeography. 
E)  the continental divide.

Question 15

When life first began,

Accepted Answer

A)  the planet had a lot of oxygen in the atmosphere and was much warmer. 
B)  the planet had a lot of oxygen in the atmosphere and was much cooler. 
C)  the planet had a lot of methane in the atmosphere and was much warmer. 
D)  the planet had a lot of methane in the atmosphere and was much cooler. 
E)  the planet had very little oxygen in the atmosphere and was much cooler. 
A)  the planet had a lot of oxygen in the atmosphere and was much warmer. 
B)  the planet had a lot of oxygen in the atmosphere and was much cooler. 
C)  the planet had a lot of methane in the atmosphere and was much warmer. 
D)  the planet had a lot of methane in the atmosphere and was much cooler. 
E)  the planet had very little oxygen in the atmosphere and was much cooler.

Question 16

The scientific name for every organism consists of the names of the

Accepted Answer

A)  order and family. 
B)  family and genus. 
C)  genus and species. 
D)  class and order. 
E)  family and species. 
A)  order and family. 
B)  family and genus. 
C)  genus and species. 
D)  class and order. 
E)  family and species.

Question 17

Animal life greatly diversified during the _____ period.

Accepted Answer

A)  Cambrian 
B)  Triassic 
C)  Jurassic 
D)  Proterozoic 
E)  Tertiary 
A)  Cambrian 
B)  Triassic 
C)  Jurassic 
D)  Proterozoic 
E)  Tertiary

Question 18

Marsupials are mammals that give birth to premature young and carry them in pouches; examples include kangaroos,wallabies,and opossums.Most marsupials live in Australia,but one species,the Virginia opossum,occurs in North and South America.How do you think a marsupial came to be in North and South America when all others are on the opposite side of Earth?

Accepted Answer

The Virginia opossum came to be in South

Question 19

The continents we recognize today used to be one supercontinent called

Accepted Answer

A)  Oceania. 
B)  Australasia. 
C)  Zoolandia. 
D)  Pangaea. 
E)  Caladonia. 
A)  Oceania. 
B)  Australasia. 
C)  Zoolandia. 
D)  Pangaea. 
E)  Caladonia.

Question 20

List the three currently recognized domains of life.

Accepted Answer

Bacteria,A

Exam 17: Life on Earth Qa: Evolution

Which one of the habitats below would have the most species diversity?

The five kingdoms have been reassigned into three domains based on

Which period contains the present day?

The first fossil remains are from this geologic time.

Large plant-eating dinosaurs were common during the _____ period.

Life first began during the _____ period.

This gas began to accumulate between 3 and 2.5 billion years ago.

Although this group has the least number of identified and classified species,its diversity is really unknown.

To determine the age of organic remains,the decay of which radioactive element(s)are measured?

If a radiometric analysis of an isotope and its stable element yielded 25% of the isotope and 75% of its stable element,how many half-lives would have occurred?

The half-life of uranium-238 is 4.5 billion years.Uranium-238 decays to lead-206.You find a rock with 18,000 atoms of uranium-238 and 6,000 atoms of lead-206.How old is the rock?

India was an island _____ million years ago.

Define the term half-life.

The movement of Earth's crust is termed

When life first began,

The scientific name for every organism consists of the names of the

Animal life greatly diversified during the _____ period.

The continents we recognize today used to be one supercontinent called

List the three currently recognized domains of life.

The Process of Science Java Report

Chemistry and Molecules of Life Mission to Mars

Cell Function and Structure Wonder Drug

Nutrition,metabolism,enzymes the Peanut Butter Project

Energy Flow and Photosynthesis the Future of Fuel

Dietary Energy and Cellular Respiration Supersize Me

DNA Structure and Replication Biologically Unique

Genes to Proteins Medicine From Milk

Cell Division and Mitosis Natures Pharmacy

Mutations and Cancer Fighting Fate

Single-Gene Inheritance and Meiosis Rock for a Cause

Complex Inheritance Qa: Genetics

Stem Cells and Cell Differentiation Grow Your Own

Natural Selection and Adaptation Bugs That Resist Drugs

A: Nonadaptive Evolution and Speciation Urban Evolution

B: Nonadaptive Evolution and Speciation Urban Evolution

Evidence for Evolution a Fish With Fingers

Prokaryotic Diversity Lost City

A: Eukaryotic Diversity Rain Forest Riches

B: Eukaryotic Diversity Rain Forest Riches

Human Evolution Skin Deep

A: Population Ecology on the Tracks of Wolves and Moose

B: Population Ecology on the Tracks of Wolves and Moose

A: Community Ecology Whats Happening to Honey Bees

B: Community Ecology Whats Happening to Honey Bees

A: Ecosystem Ecology the Heat Is on

B: Ecosystem Ecology the Heat Is on

A: Sustainability the Makings of a Green City

B: Sustainability the Makings of a Green City

A: Overview of Physiology Man Versus Mountain

B: Overview of Physiology Man Versus Mountain

Digestive System Drastic Measures

A: Cardiovascular System Death in Bogalusa

B: Cardiovascular System Death in Bogalusa

Respiratory System Peak Performance

A: Central Nervous System Smoke on the Brain

B: Central Nervous System Smoke on the Brain

Reproductive System Too Many Multiples

Immune System Viral Mysteries

A: Plant Physiology

B: Plant Physiology

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