Question 1

The publication of Darwin's Origin of Species led scientists to

Accepted Answer

A)  place our species into the hominid family. 
B)  realize that we descended from earlier animals. 
C)  realize that the evolutionary lineage leading to humans split from the lineage leading to chimpanzees over 30 million years ago. 
D)  combine the families containing apes and humans. 
A)  place our species into the hominid family. 
B)  realize that we descended from earlier animals. 
C)  realize that the evolutionary lineage leading to humans split from the lineage leading to chimpanzees over 30 million years ago. 
D)  combine the families containing apes and humans. B

Question 2

Based on the evolutionary tree in the figure below, Homo sapiens sapiens and Homo erectus both evolved from Homo habilis.

Accepted Answer

A) True 
 B)False  False

Question 3

Those involved in the ___________ movement strive to breed better humans by discouraging people with "bad" genes from breeding.

Accepted Answer

eugenics

Question 4

Why is the DNA of a human so similar to the DNA of a chimpanzee?

Accepted Answer

A)  Although humans and chimpanzees have different ancestors, they faced the same environmental challenges and, therefore, evolved in similar ways. 
B)  Chimpanzees evolved as a result of the hybridization of Neandertals and the ancestors of modern humans. 
C)  Since all organisms evolved from the same original life form, they all have essentially the same DNA. The 1 percent difference in DNA sequences that exists between all organisms is responsible for the diversity of life on Earth. 
D)  Humans and chimpanzees share a very recent common ancestor. 
A)  Although humans and chimpanzees have different ancestors, they faced the same environmental challenges and, therefore, evolved in similar ways. 
B)  Chimpanzees evolved as a result of the hybridization of Neandertals and the ancestors of modern humans. 
C)  Since all organisms evolved from the same original life form, they all have essentially the same DNA. The 1 percent difference in DNA sequences that exists between all organisms is responsible for the diversity of life on Earth. 
D)  Humans and chimpanzees share a very recent common ancestor.

Question 5

The first members of the genus Homo arose approximately _______ years ago.

Accepted Answer

A)  200,000 
B)  2 million 
C)  1 billion 
D)  3.5 billion 
A)  200,000 
B)  2 million 
C)  1 billion 
D)  3.5 billion

Question 6

Overuse of antibiotics has led to the evolution of _________ strains of bacteria that are not killed by these drugs.

Accepted Answer

The answer of Overuse of antibiotics has led to the...

Question 7

Based on the extinctions of birds and mammals known to have occurred over the last 400 years, human actions seem to have

Accepted Answer

A)  had little effect on the usual (or "background") rates of extinction found in the fossil record. 
B)  increased extinction rates in these groups by 100 to 1,000 times the usual (or "background") rates of extinction found in the fossil record. 
C)  actually decreased the usual (or "background") rates of extinction found in the fossil record. 
D)  increased biodiversity and gene flow in regions intensively developed. 
A)  had little effect on the usual (or "background") rates of extinction found in the fossil record. 
B)  increased extinction rates in these groups by 100 to 1,000 times the usual (or "background") rates of extinction found in the fossil record. 
C)  actually decreased the usual (or "background") rates of extinction found in the fossil record. 
D)  increased biodiversity and gene flow in regions intensively developed.

Question 8

Which phrase does not describe an evolutionary trend in primates?

Accepted Answer

A)  enhanced limb mobility 
B)  appearance of claws 
C)  improved daytime vision 
D)  increased brain size 
A)  enhanced limb mobility 
B)  appearance of claws 
C)  improved daytime vision 
D)  increased brain size

Question 9

Archaic Homo sapiens gave rise to

Accepted Answer

A)  Neandertals and modern humans. 
B)  Homo habilis and Australopithecus africanus. 
C)  Australopithecus africanus and Neandertals. 
D)  Homo erectus and Homo habilis. 
A)  Neandertals and modern humans. 
B)  Homo habilis and Australopithecus africanus. 
C)  Australopithecus africanus and Neandertals. 
D)  Homo erectus and Homo habilis.

Question 10

When comparing different species, brain size relative to body size provides a rough estimate of _______.

Accepted Answer

The answer of When comparing different species, brain size relative...

Question 11

Living humans evolved from ape ancestors without intermediate steps.

Accepted Answer

A) True 
 B)False

Question 12

Homo sapiens is the genus and species designation for modern _______.

Accepted Answer

The answer of Homo sapiens is the genus and species...

Question 13

The evidence of a partially opposable big toe in early hominid foot bone fossils suggests that early hominids

Accepted Answer

A)  may have continued to use trees as a method of travel. 
B)  were not human ancestors. 
C)  could not walk upright. 
D)  were not primates. 
A)  may have continued to use trees as a method of travel. 
B)  were not human ancestors. 
C)  could not walk upright. 
D)  were not primates.

Question 14

There is extensive fossil evidence that early Homo sapiens interbred with more ancient Homo populations.

Accepted Answer

A) True 
 B)False

Question 15

Populations of ancient humans

Accepted Answer

A)  used random mating to increase the genetic differences between populations. 
B)  were very similar due to a large amount of gene flow between populations. 
C)  were essentially identical due to a high level of interbreeding. 
D)  had large differences due to genetic drift. 
A)  used random mating to increase the genetic differences between populations. 
B)  were very similar due to a large amount of gene flow between populations. 
C)  were essentially identical due to a high level of interbreeding. 
D)  had large differences due to genetic drift.

Question 16

Which of the following human activities could affect gene flow and genetic drift of other species?

Accepted Answer

A)  a new housing development 
B)  intensive harvesting of marine life 
C)  building a new ski resort 
D)  all of the above 
A)  a new housing development 
B)  intensive harvesting of marine life 
C)  building a new ski resort 
D)  all of the above

Question 17

Humans split from the evolutionary line that led to chimpanzees 5 to 7 _______ years ago.

Accepted Answer

The answer of Humans split from the evolutionary line that...

Question 18

The _______ hypothesis of human origins suggests that modern humans evolved from H. erectus populations located throughout the world.

Accepted Answer

The answer of The _______ hypothesis of human origins suggests...

Question 19

Which of the following is a characteristic of hominids but not of other primates?

Accepted Answer

A)  bipedal walking 
B)  five fingers 
C)  flexible elbow and shoulder joints 
D)  large brain compared to body size 
A)  bipedal walking 
B)  five fingers 
C)  flexible elbow and shoulder joints 
D)  large brain compared to body size

Question 20

All regions of our DNA are closer to the DNA of chimpanzees than to the DNA of gorillas.

Accepted Answer

A) True 
 B)False

Exam 42: Humans and Evolution

The publication of Darwin's Origin of Species led scientists to

Based on the evolutionary tree in the figure below, Homo sapiens sapiens and Homo erectus both evolved from Homo habilis.

Those involved in the ___________ movement strive to breed better humans by discouraging people with "bad" genes from breeding.

Why is the DNA of a human so similar to the DNA of a chimpanzee?

The first members of the genus Homo arose approximately _______ years ago.

Overuse of antibiotics has led to the evolution of _________ strains of bacteria that are not killed by these drugs.

Based on the extinctions of birds and mammals known to have occurred over the last 400 years, human actions seem to have

Which phrase does not describe an evolutionary trend in primates?

Archaic Homo sapiens gave rise to

When comparing different species, brain size relative to body size provides a rough estimate of _______.

Living humans evolved from ape ancestors without intermediate steps.

Homo sapiens is the genus and species designation for modern _______.

The evidence of a partially opposable big toe in early hominid foot bone fossils suggests that early hominids

There is extensive fossil evidence that early Homo sapiens interbred with more ancient Homo populations.

Populations of ancient humans

Which of the following human activities could affect gene flow and genetic drift of other species?

Humans split from the evolutionary line that led to chimpanzees 5 to 7 _______ years ago.

The _______ hypothesis of human origins suggests that modern humans evolved from H. erectus populations located throughout the world.

Which of the following is a characteristic of hominids but not of other primates?

All regions of our DNA are closer to the DNA of chimpanzees than to the DNA of gorillas.

The Nature of Science and the Characteristics of Life

Organizing the Diversity of Life

Major Groups of Living Organisms

Chemical Building Blocks

Cell Structure and Internal Compartments

Cell Membranes, Transport, and Communication

Energy and Enzymes

Photosynthesis and Cellular Respiration

Cell Division

Patterns of Inheritance

Chromosomes and Human Genetics

DNA

From Gene to Protein

Control of Gene Expression

DNA Technology

How Evolution Works

Evolution of Populations

Adaptation and Speciation

The Evolutionary History of Life

Maintaining the Internal Environment

Animal Nutrition and Digestion

Gas Exchange

The Circulatory System

Animal Hormones

The Nervous System

Sensing the Environment

Skeletons, Muscles, and Movement

Defenses against Disease

Reproduction and Development

Animal Behavior

Plant Structure, Nutrition, and Transport

Plant Growth and Reproduction

The Biosphere

Growth of Populations

Interactions among Organisms

Communities of Organisms

Ecosystems

Global Change

Biodiversity and People

Cancer: Cell Division Out of Control

Harnessing the Human Genome

Smoking--Beyond Lung Cancer

Feeding a Hungry Planet

Building a Sustainable Society

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