Question 1

The scientific name for Neanderthals is

Accepted Answer

A)  Homo erectus. 
B)  Australopithecus robustus. 
C)  Homo habilis. 
D)  Homo sapiens. 
E)  Homo neanderthalensis. 
A)  Homo erectus. 
B)  Australopithecus robustus. 
C)  Homo habilis. 
D)  Homo sapiens. 
E)  Homo neanderthalensis. E

Question 2

Reptiles evolved scaly body coverings as a means for

Accepted Answer

A)  courtship rituals. 
B)  heat production. 
C)  protection from drying out. 
D)  flight. 
E)  insulation. 
A)  courtship rituals. 
B)  heat production. 
C)  protection from drying out. 
D)  flight. 
E)  insulation. C

Question 3

RNA can act like an enzyme.

Accepted Answer

A) True 
 B)False  True

Question 4

Pollen likely evolved in response to plants moving to drier land.

Accepted Answer

A) True 
 B)False

Question 5

Louis Pasteur's experiment illustrated that

Accepted Answer

A)  some complex molecules associated with living organisms can be synthesized by heating and cooling a solution of simple molecules and providing an electric spark. 
B)  microbes will not grow in a nutrient broth that has been sterilized unless air is allowed to enter the vessel through an opening. 
C)  microbes will grow spontaneously in a nutrient broth that has been sterilized and sealed. 
D)  only some organisms can form spontaneously in nutrient broth. 
E)  life began by chemical evolution. 
A)  some complex molecules associated with living organisms can be synthesized by heating and cooling a solution of simple molecules and providing an electric spark. 
B)  microbes will not grow in a nutrient broth that has been sterilized unless air is allowed to enter the vessel through an opening. 
C)  microbes will grow spontaneously in a nutrient broth that has been sterilized and sealed. 
D)  only some organisms can form spontaneously in nutrient broth. 
E)  life began by chemical evolution.

Question 6

The earliest fossil organisms resemble modern

Accepted Answer

A)  green algae. 
B)  eukaryotes. 
C)  protists. 
D)  protocells. 
E)  prokaryotes. 
A)  green algae. 
B)  eukaryotes. 
C)  protists. 
D)  protocells. 
E)  prokaryotes.

Question 7

Probably the greatest advantage for the original multicellular organisms was their ability to

Accepted Answer

A)  avoid predation. 
B)  use more oxygen. 
C)  increase their food intake. 
D)  increase their metabolism. 
E)  photosynthesize. 
A)  avoid predation. 
B)  use more oxygen. 
C)  increase their food intake. 
D)  increase their metabolism. 
E)  photosynthesize.

Question 8

Current theories hold that hominin species migrated out of Africa

Accepted Answer

A)  once, nearly 800,000 years ago. 
B)  once, about 150,000 years ago. 
C)  multiple times throughout history. 
D)  once, nearly 2 million years ago. 
E)  once, 10 million years ago. 
A)  once, nearly 800,000 years ago. 
B)  once, about 150,000 years ago. 
C)  multiple times throughout history. 
D)  once, nearly 2 million years ago. 
E)  once, 10 million years ago.

Question 9

-Scientists find several sets of fossil remains in a cave. The skeletons appear have been buried with stone tools and carved jewelry of ivory and bone. The artifacts are dated to 90,000 years old. The skeletons are anatomically similar to modern humans. Based on this information, the skeletons most likely are all

Accepted Answer

A)  Cro- Magnons. 
B)  Homo floresiensis. 
C)  Neanderthals. 
D)  Homo erectus. 
E)  Australopithecus afarensis. 
A)  Cro- Magnons. 
B)  Homo floresiensis. 
C)  Neanderthals. 
D)  Homo erectus. 
E)  Australopithecus afarensis.

Question 10

Which of the following processes involves behaviors that are acquired by learning and can be modified and passed on from one generation to the next?

Accepted Answer

A)  Prebiotic evolution 
B)  Environmental selection 
C)  Natural selection 
D)  Cultural evolution 
E)  Pre- adaptation 
A)  Prebiotic evolution 
B)  Environmental selection 
C)  Natural selection 
D)  Cultural evolution 
E)  Pre- adaptation

Question 11

Living organisms can spontaneously generate from nonliving matter.

Accepted Answer

A) True 
 B)False

Question 12

Some scientists theorize that early life was RNA- based.

Accepted Answer

A) True 
 B)False

Question 13

Eggs and scales are features that enabled reptiles to dominate land during the Permian period.

Accepted Answer

A) True 
 B)False

Question 14

may have evolved from aerobic bacteria that were engulfed by predatory prokaryotic cells.

Accepted Answer

The answer of may have evolved from aerobic bacteria that...

Question 15

The endosymbiotic hypothesis accounts for the origin of which cell structure?

Accepted Answer

A)  Ribosome 
B)  Plasma membrane 
C)  Cell wall 
D)  Chromosome 
E)  Chloroplast 
A)  Ribosome 
B)  Plasma membrane 
C)  Cell wall 
D)  Chromosome 
E)  Chloroplast

Question 16

By examining fossil evidence, paleontologists believe that mammals evolved from ancestors of modern

Accepted Answer

A)  sharks. 
B)  amphibians. 
C)  reptiles. 
D)  arthropods. 
E)  lobefins. 
A)  sharks. 
B)  amphibians. 
C)  reptiles. 
D)  arthropods. 
E)  lobefins.

Question 17

Which of the following species do paleoanthropologists believe may be the most direct ancestor to Homo sapiens?

Accepted Answer

A)  Homo heidelbergensis 
B)  Homo habilis 
C)  Homo erectus 
D)  Homo neanderthalensis 
E)  Homo ergaster 
A)  Homo heidelbergensis 
B)  Homo habilis 
C)  Homo erectus 
D)  Homo neanderthalensis 
E)  Homo ergaster

Question 18

Multicellularity enables organisms to overcome cellular limits and

Accepted Answer

A)  be photosynthetic. 
B)  become big. 
C)  become fast. 
D)  reproduce more efficiently. 
E)  undergo aerobic respiration. 
A)  be photosynthetic. 
B)  become big. 
C)  become fast. 
D)  reproduce more efficiently. 
E)  undergo aerobic respiration.

Question 19

Exoskeletons provided an evolutionary advantage to organisms by

Accepted Answer

A)  allowing exposure to oxygen. 
B)  increasing predation. 
C)  increasing their mobility and protecting them from predation. 
D)  allowing increased opportunities for symbiotic relationships. 
E)  increasing their ability to find a mate and reproduce. 
A)  allowing exposure to oxygen. 
B)  increasing predation. 
C)  increasing their mobility and protecting them from predation. 
D)  allowing increased opportunities for symbiotic relationships. 
E)  increasing their ability to find a mate and reproduce.

Question 20

What is the significance of upright walking?

Accepted Answer

A)  It provides good posture. 
B)  It facilitates digestion. 
C)  It frees the hands for gathering and carrying food. 
D)  It facilitates circulation. 
E)  It facilitates social interactions. 
A)  It provides good posture. 
B)  It facilitates digestion. 
C)  It frees the hands for gathering and carrying food. 
D)  It facilitates circulation. 
E)  It facilitates social interactions.

Exam 18: The History of Life

The scientific name for Neanderthals is

Reptiles evolved scaly body coverings as a means for

RNA can act like an enzyme.

Pollen likely evolved in response to plants moving to drier land.

Louis Pasteur's experiment illustrated that

The earliest fossil organisms resemble modern

Probably the greatest advantage for the original multicellular organisms was their ability to

Current theories hold that hominin species migrated out of Africa

Which of the following processes involves behaviors that are acquired by learning and can be modified and passed on from one generation to the next?

Living organisms can spontaneously generate from nonliving matter.

Some scientists theorize that early life was RNA- based.

Eggs and scales are features that enabled reptiles to dominate land during the Permian period.

may have evolved from aerobic bacteria that were engulfed by predatory prokaryotic cells.

The endosymbiotic hypothesis accounts for the origin of which cell structure?

By examining fossil evidence, paleontologists believe that mammals evolved from ancestors of modern

Which of the following species do paleoanthropologists believe may be the most direct ancestor to Homo sapiens?

Multicellularity enables organisms to overcome cellular limits and

Exoskeletons provided an evolutionary advantage to organisms by

What is the significance of upright walking?

An Introduction to Life on Earth

Atoms, Molecules, and Life

Biological Molecules

Cell Structure and Function

Cell Membrane Structure and Function

Energy Flow in the Life of a Cell

Capturing Solar Energy: Photosynthesis

Harvesting Energy: Glycolysis and Cellular Respiration

Cellular Reproduction

Meiosis: the Basis of Sexual Reproduction

Patterns of Inheritance

Dna: the Molecule of Heredity

Gene Expression and Regulation

Biotechnology

Principles of Evolution

How Populations Evolve

The Origin of Species

Systematics: Seeking Order Amid Diversity

The Diversity of Prokaryotes and Viruses

The Diversity of Protists

The Diversity of Plants

The Diversity of Fungi

Animal Diversity I: Invertebrates

Animal Diversity II: Vertebrates

Animal Behavior

Population Growth and Regulation

Community Interactions

Energy Flow and Nutrient Cycling in Ecosystems

Earths Diverse Ecosystems

Conserving Earths Biodiversity

Homeostasis and the Organization of the Animal Body

Circulation

Respiration

Nutrition and Digestion

The Urinary System

Defenses Against Disease

Chemical Control of the Animal Body: the Endocrine System

The Nervous System

The Senses

Action and Support: the Muscles and Skeleton

Animal Reproduction

Animal Development

Plant Anatomy and Nutrient Transport

Plant Reproduction and Development

Plant Responses to the Environment

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