Question 1

HIV appears to have developed from ________.

Accepted Answer

The answer of HIV appears to have developed from ________....

Question 2

Canis latrans, Canis lupus, and Canis familiaris are all members of the same:

Accepted Answer

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

Question 3

Which of the following is prokaryotic?

Accepted Answer

A) Archaea 
B) Fungi 
C) Animalia 
D) Plantae 
E) humans 
A) Archaea 
B) Fungi 
C) Animalia 
D) Plantae 
E) humans

Question 4

Which biologist first proposed that all organisms share a common ancestry?

Accepted Answer

A) Aristotle 
B) Linnaeus 
C) Whittaker 
D) Woese 
E) Darwin 
A) Aristotle 
B) Linnaeus 
C) Whittaker 
D) Woese 
E) Darwin

Question 5

Genetics studies of human populations have revealed that:

Accepted Answer

A) Homo sapiens probably did not evolve from primates. 
B) it is nearly impossible to determine the relatedness of human populations. 
C) human populations vary tremendously at the level of DNA sequences. 
D) humans have very little genetic variation compared to other mammals. 
E) all humans are virtually identical. 
A) Homo sapiens probably did not evolve from primates. 
B) it is nearly impossible to determine the relatedness of human populations. 
C) human populations vary tremendously at the level of DNA sequences. 
D) humans have very little genetic variation compared to other mammals. 
E) all humans are virtually identical.

Question 6

If genetic studies reveal that a population has genetic sequences in common with two closely related species but has no unique sequences of its own, then:

Accepted Answer

A) it should be considered a hybrid of the two species. 
B) it should be assigned separate species status. 
C) it should be assigned to the species with which it shares more sequences. 
D) all three should be assigned to the same species. 
E) all three should be considered subspecies within the same species. 
A) it should be considered a hybrid of the two species. 
B) it should be assigned separate species status. 
C) it should be assigned to the species with which it shares more sequences. 
D) all three should be assigned to the same species. 
E) all three should be considered subspecies within the same species.

Question 7

The virus most closely related to HIV preys on monkeys. True or False?

Accepted Answer

A) True 
 B)False

Question 8

Ferns and flowering plants belong to the clade ________.

Accepted Answer

The answer of Ferns and flowering plants belong to the...

Question 9

The diversity of a population of bacteria can be determined best by examining:

Accepted Answer

A) soil cultures. 
B) DNA in a sample. 
C) temperate regions. 
D) physical characteristics. 
E) where the organisms live. 
A) soil cultures. 
B) DNA in a sample. 
C) temperate regions. 
D) physical characteristics. 
E) where the organisms live.

Question 10

What is the main reason scientists use Latin scientific names?

Accepted Answer

A) Common names don't sound professional. 
B) Linnaeus was from Italy, so he spoke Latin. 
C) Scientific publications are usually in Latin. 
D) Latin names are recognized worldwide, overcoming language barriers. 
E) All scientists speak Latin. 
A) Common names don't sound professional. 
B) Linnaeus was from Italy, so he spoke Latin. 
C) Scientific publications are usually in Latin. 
D) Latin names are recognized worldwide, overcoming language barriers. 
E) All scientists speak Latin.

Question 11

Fungi and animals belong to the domain ________.

Accepted Answer

The answer of Fungi and animals belong to the domain...

Question 12

Each class can be split into several kingdoms. True or False?

Accepted Answer

A) True 
 B)False

Question 13

-Based on the tree of life, which two groups have the closest ancestor in common?

Accepted Answer

A) animals and fungi 
B) plants and Archaea 
C) Archaea and fungi 
D) protists and fungi 
E) bacteria and animals 
A) animals and fungi 
B) plants and Archaea 
C) Archaea and fungi 
D) protists and fungi 
E) bacteria and animals

Question 14

Suppose a population of a new plant is found on an island. DNA sequencing determines that this plant shares a limited number of genes with plants on the mainland. Within the species, there is a huge genetic variability. This would suggest that:

Accepted Answer

A) this new species is more closely related to animals. 
B) this plant species has been isolated on the island for a long period of time. 
C) DNA sequencing is unreliable for determining genetic linkages. 
D) this plant species is very closely related to plants on the mainland. 
A) this new species is more closely related to animals. 
B) this plant species has been isolated on the island for a long period of time. 
C) DNA sequencing is unreliable for determining genetic linkages. 
D) this plant species is very closely related to plants on the mainland.

Question 15

Which of the following is the smallest or least inclusive group?

Accepted Answer

A) kingdom 
B) class 
C) genus 
D) domain 
E) family 
A) kingdom 
B) class 
C) genus 
D) domain 
E) family

Question 16

-Based on the eukaryotic tree, Deuterostomes are most closely related to:

Accepted Answer

A) Protostomes. 
B) Porifera. 
C) Angiosperms. 
D) Pteridophyta. 
E) Diplomonads. 
A) Protostomes. 
B) Porifera. 
C) Angiosperms. 
D) Pteridophyta. 
E) Diplomonads.

Question 17

A major difficulty facing systematists is:

Accepted Answer

A) sequencing DNA. 
B) placing specimens into the predefined taxonomic categories of species and genus. 
C) understanding the sequence of cell divisions in the early embryology of plants and animals. 
D) distinguishing anatomy from physiology in plant evolution. 
E) distinguishing similar features due to common ancestry from those due to convergent evolution. 
A) sequencing DNA. 
B) placing specimens into the predefined taxonomic categories of species and genus. 
C) understanding the sequence of cell divisions in the early embryology of plants and animals. 
D) distinguishing anatomy from physiology in plant evolution. 
E) distinguishing similar features due to common ancestry from those due to convergent evolution.

Question 18

-According to chemical and molecular evidence, members of the kingdom Fungi are most closely related to which of these groups in the tree of life?

Accepted Answer

A) animals 
B) plants 
C) Archaea 
D) protists 
E) Bacteria 
A) animals 
B) plants 
C) Archaea 
D) protists 
E) Bacteria

Question 19

Historically, most classification has been based on ________ similarity.

Accepted Answer

The answer of Historically, most classification has been based on...

Question 20

Modern systematics is based on ________.

Accepted Answer

genetic si

Exam 18: Systematics: Seeking Order Amidst Diversity

HIV appears to have developed from ________.

Canis latrans, Canis lupus, and Canis familiaris are all members of the same:

Which of the following is prokaryotic?

Which biologist first proposed that all organisms share a common ancestry?

Genetics studies of human populations have revealed that:

If genetic studies reveal that a population has genetic sequences in common with two closely related species but has no unique sequences of its own, then:

The virus most closely related to HIV preys on monkeys. True or False?

Ferns and flowering plants belong to the clade ________.

The diversity of a population of bacteria can be determined best by examining:

What is the main reason scientists use Latin scientific names?

Fungi and animals belong to the domain ________.

Each class can be split into several kingdoms. True or False?

-Based on the tree of life, which two groups have the closest ancestor in common?

Suppose a population of a new plant is found on an island. DNA sequencing determines that this plant shares a limited number of genes with plants on the mainland. Within the species, there is a huge genetic variability. This would suggest that:

Which of the following is the smallest or least inclusive group?

-Based on the eukaryotic tree, Deuterostomes are most closely related to:

A major difficulty facing systematists is:

-According to chemical and molecular evidence, members of the kingdom Fungi are most closely related to which of these groups in the tree of life?

Historically, most classification has been based on ________ similarity.

Modern systematics is based on ________.

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

The Continuity of Life: Cellular Reproduction

Patterns of Inheritance

Dna: the Molecule of Heredity

Gene Expression and Regulation

Biotechnology

Principles of Evolution

How Populations Evolve

The Origin of Species

The History of Life

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

How Do Ecosystems Work

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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