Question 1

Based on the following phylogenetic tree, is the sun bear more closely related to the sloth bear or to the brown bear? Explain your reasoning.

Accepted Answer

The sun bear is more closely related to

Question 2

In many ways, a mule is a superior animal to the horse or donkey.Mules are often stronger and can jump higher than either of their parents.Why, then, are mules considered to be a "weak hybrid"?

Accepted Answer

A) They are sterile. 
B) They do not live as long as horses and donkeys. 
C) Their offspring are progressively weaker than the parents. 
D) They are more prone to disease than are horses and donkeys. 
A) They are sterile. 
B) They do not live as long as horses and donkeys. 
C) Their offspring are progressively weaker than the parents. 
D) They are more prone to disease than are horses and donkeys.

Question 3

Which model of evolution is closest to what was originally suggested by Charles Darwin?

Accepted Answer

A) The punctuated equilibrium model matches best the reasoning of Charles Darwin. 
B) The graduated model matches best the reasoning of Charles Darwin. 
C) Neither the punctuated equilibrium model nor the graduated model match the original reasoning of Charles Darwin. 
D) Both the punctuated equilibrium model and the graduated model match the original reasoning of Charles Darwin. 
A) The punctuated equilibrium model matches best the reasoning of Charles Darwin. 
B) The graduated model matches best the reasoning of Charles Darwin. 
C) Neither the punctuated equilibrium model nor the graduated model match the original reasoning of Charles Darwin. 
D) Both the punctuated equilibrium model and the graduated model match the original reasoning of Charles Darwin.

Question 4

Can you inherit physical traits that your parents acquired during their lifetime?

Accepted Answer

A) No 
B) Yes 
C) Only if it improves survivability 
D) Only if it improves reproductive success 
A) No 
B) Yes 
C) Only if it improves survivability 
D) Only if it improves reproductive success

Question 5

A weed that exhibits resistance to an herbicide ________.

Accepted Answer

A) developed the resistance in response to the herbicide 
B) mutated when exposed to the herbicide 
C) inherited the gene that made it resistant to the herbicide 
D) is less likely to pass on the gene to the next generation 
A) developed the resistance in response to the herbicide 
B) mutated when exposed to the herbicide 
C) inherited the gene that made it resistant to the herbicide 
D) is less likely to pass on the gene to the next generation

Question 6

What is an adaptation?

Accepted Answer

A) The result of natural selection 
B) A specialized feature 
C) The accumulation of favorable traits over time 
D) All of the above are correct 
A) The result of natural selection 
B) A specialized feature 
C) The accumulation of favorable traits over time 
D) All of the above are correct

Question 7

Which of the following are considered fossils?

Accepted Answer

A) Footprints or other impressions preserved in stone 
B) Mineralized bones 
C) Animals frozen in ice or preserved in amber 
D) All of the above are considered fossils 
A) Footprints or other impressions preserved in stone 
B) Mineralized bones 
C) Animals frozen in ice or preserved in amber 
D) All of the above are considered fossils

Question 8

Of those listed below, which category of classification is the most narrow?

Accepted Answer

A) Class 
B) Domain 
C) Family 
D) Genus 
A) Class 
B) Domain 
C) Family 
D) Genus

Question 9

The modern evolutionary synthesis of the 1930s and 1940s melded together Darwin's findings with ________.

Accepted Answer

A) genetics 
B) sociology 
C) psychology 
D) chemistry 
A) genetics 
B) sociology 
C) psychology 
D) chemistry

Question 10

Which of the following processes is most likely to occur on this small population of humans?

Accepted Answer

A) Genetic drift 
B) Gene flow 
C) Mutations 
D) Sexual selection 
A) Genetic drift 
B) Gene flow 
C) Mutations 
D) Sexual selection

Question 11

What prompted Darwin to publish his book decades after he began writing it?

Accepted Answer

A) He had completed the last of his experiments. 
B) He had returned from his voyage around the world. 
C) Wallace, a colleague, was about to publish a similar manuscript. 
D) After years of searching, he finally found a publisher willing to accept it. 
A) He had completed the last of his experiments. 
B) He had returned from his voyage around the world. 
C) Wallace, a colleague, was about to publish a similar manuscript. 
D) After years of searching, he finally found a publisher willing to accept it.

Question 12

Use the phylogenetic tree below to answer the following question(s).  
-Which of the following statement is correct regarding the phylogenetic tree above?

Accepted Answer

A) The sun bear's closest relative is the sloth bear. 
B) The American black bear has no closely related species. 
C) The polar bear and the brown bear are the most recently evolved species. 
D) Most bears on the phylogenetic tree are extinct. 
A) The sun bear's closest relative is the sloth bear. 
B) The American black bear has no closely related species. 
C) The polar bear and the brown bear are the most recently evolved species. 
D) Most bears on the phylogenetic tree are extinct.

Question 13

What is the leading hypothesis for what might have brought about the extinction of the dinosaurs?

Accepted Answer

A) A new disease 
B) Competition from mammals 
C) An asteroid impact 
D) Massive volcano eruptions 
A) A new disease 
B) Competition from mammals 
C) An asteroid impact 
D) Massive volcano eruptions

Question 14

Before Darwin published his work, Lamarck and others had suggested mechanisms for evolution.By what means did Darwin propose species evolved over time?

Accepted Answer

A) Overproduction of young 
B) Passing on acquired traits 
C) Survival of the strongest 
D) Natural selection 
A) Overproduction of young 
B) Passing on acquired traits 
C) Survival of the strongest 
D) Natural selection

Question 15

How can the use of chemical control agents (antibiotics, herbicides, pesticides) lead to their decreased effectiveness?

Accepted Answer

By changing the environment, these chemi

Question 16

Explain how a complex trait, such as eyes or the ability to fly, can evolve by incremental modifications over time.

Accepted Answer

A trait that makes an organism successfu

Question 17

What contribution did Charles Lyell make?

Accepted Answer

A) He found some bird specimens on the Galapagos Islands. 
B) He found some fossils of extinct species. 
C) He suggested that life evolves through physical changes within the life span of an organism. 
D) He provided the first evidence that the Earth is much older than was previously thought. 
A) He found some bird specimens on the Galapagos Islands. 
B) He found some fossils of extinct species. 
C) He suggested that life evolves through physical changes within the life span of an organism. 
D) He provided the first evidence that the Earth is much older than was previously thought.

Question 18

Which of the following best defines microevolution?

Accepted Answer

A) Changes in genes between populations 
B) Changes in genes within a population over time 
C) Changes in genes that do not change the gene pool over time 
D) Changes across species but not in genes 
A) Changes in genes between populations 
B) Changes in genes within a population over time 
C) Changes in genes that do not change the gene pool over time 
D) Changes across species but not in genes

Question 19

Class Reptilia includes all reptiles, and Class Aves includes all birds.However, a cladistics approach would place birds in the same class with reptiles.Why would a cladistician classify birds and reptiles in a single class despite the behavioral and physical differences between the two?

Accepted Answer

The degree of evolutionary relatedness i

Question 20

What is the smallest unit that can evolve?

Accepted Answer

A) The ecosystem 
B) The population 
C) The individual 
D) The cell 
A) The ecosystem 
B) The population 
C) The individual 
D) The cell

Based on the following phylogenetic tree, is the sun bear more closely related to the sloth bear or to the brown bear? Explain your reasoning.

In many ways, a mule is a superior animal to the horse or donkey.Mules are often stronger and can jump higher than either of their parents.Why, then, are mules considered to be a "weak hybrid"?

Which model of evolution is closest to what was originally suggested by Charles Darwin?

Can you inherit physical traits that your parents acquired during their lifetime?

A weed that exhibits resistance to an herbicide ________.

What is an adaptation?

Which of the following are considered fossils?

Of those listed below, which category of classification is the most narrow?

The modern evolutionary synthesis of the 1930s and 1940s melded together Darwin's findings with ________.

Which of the following processes is most likely to occur on this small population of humans?

What prompted Darwin to publish his book decades after he began writing it?

Use the phylogenetic tree below to answer the following question(s). -Which of the following statement is correct regarding the phylogenetic tree above?

What is the leading hypothesis for what might have brought about the extinction of the dinosaurs?

Before Darwin published his work, Lamarck and others had suggested mechanisms for evolution.By what means did Darwin propose species evolved over time?

How can the use of chemical control agents (antibiotics, herbicides, pesticides) lead to their decreased effectiveness?

Explain how a complex trait, such as eyes or the ability to fly, can evolve by incremental modifications over time.

What contribution did Charles Lyell make?

Which of the following best defines microevolution?

Class Reptilia includes all reptiles, and Class Aves includes all birds.However, a cladistics approach would place birds in the same class with reptiles.Why would a cladistician classify birds and reptiles in a single class despite the behavioral and physical differences between the two?

What is the smallest unit that can evolve?

An Introduction to the Science of Life

The Chemistry of Life

The Cell: The Fundamental Unit of Life

Energy and Life

Chromosomes and Inheritance

DNA: The Molecule of Life

Biodiversity 1: Microscopic Organisms

Biodiversity 2: Fungi and Plants

Biodiversity 3: Animals

Human Body Systems

Ecology

Biology The Core: Appendix

Filters

Exam 7: Darwinian Evolution

Based on the following phylogenetic tree, is the sun bear more closely related to the sloth bear or to the brown bear? Explain your reasoning.

In many ways, a mule is a superior animal to the horse or donkey.Mules are often stronger and can jump higher than either of their parents.Why, then, are mules considered to be a "weak hybrid"?

Which model of evolution is closest to what was originally suggested by Charles Darwin?

Can you inherit physical traits that your parents acquired during their lifetime?

A weed that exhibits resistance to an herbicide ________.

What is an adaptation?

Which of the following are considered fossils?

Of those listed below, which category of classification is the most narrow?

The modern evolutionary synthesis of the 1930s and 1940s melded together Darwin's findings with ________.

Which of the following processes is most likely to occur on this small population of humans?

What prompted Darwin to publish his book decades after he began writing it?

Use the phylogenetic tree below to answer the following question(s). -Which of the following statement is correct regarding the phylogenetic tree above?

What is the leading hypothesis for what might have brought about the extinction of the dinosaurs?

Before Darwin published his work, Lamarck and others had suggested mechanisms for evolution.By what means did Darwin propose species evolved over time?

How can the use of chemical control agents (antibiotics, herbicides, pesticides) lead to their decreased effectiveness?

Explain how a complex trait, such as eyes or the ability to fly, can evolve by incremental modifications over time.

What contribution did Charles Lyell make?

Which of the following best defines microevolution?

Class Reptilia includes all reptiles, and Class Aves includes all birds.However, a cladistics approach would place birds in the same class with reptiles.Why would a cladistician classify birds and reptiles in a single class despite the behavioral and physical differences between the two?

What is the smallest unit that can evolve?

An Introduction to the Science of Life

The Chemistry of Life

The Cell: The Fundamental Unit of Life

Energy and Life

Chromosomes and Inheritance

DNA: The Molecule of Life

Biodiversity 1: Microscopic Organisms

Biodiversity 2: Fungi and Plants

Biodiversity 3: Animals

Human Body Systems

Ecology

Biology The Core: Appendix

Filters