Question 1

Organisms that reproduce ________ do not meet the standard criterion of a species.

Accepted Answer

The answer of Organisms that reproduce ________ do not meet...

Question 2

Sponges and worms belong to the domain ________.

Accepted Answer

The answer of Sponges and worms belong to the domain...

Question 3

Based on current hypotheses, the prokaryotic group that gave rise to eukaryotes is the ________.

Accepted Answer

The answer of Based on current hypotheses, the prokaryotic group...

Question 4

What should biologists do when two similar organisms that were originally thought to be separate species are found to interbreed freely and produce normal offspring whenever they live in the same habitat?

Accepted Answer

A) Retain the two species' names if the organisms have very different appearances. 
B) Consider both types to be a single species. 
C) Develop a new name for the hybrids. 
D) Separate the two groups until they become dissimilar enough to prevent interbreeding. 
A) Retain the two species' names if the organisms have very different appearances. 
B) Consider both types to be a single species. 
C) Develop a new name for the hybrids. 
D) Separate the two groups until they become dissimilar enough to prevent interbreeding.

Question 5

List the following taxonomic categories from the most specific to the most general:
genus, domain, family, phylum, order.

Accepted Answer

genus → fa

Question 6

The Asian elephant has the scientific name Elephas maximus. Elephas is the:

Accepted Answer

A) species. 
B) genus. 
C) kingdom. 
D) order. 
E) family. 
A) species. 
B) genus. 
C) kingdom. 
D) order. 
E) family.

Question 7

Which group contains mostly unicellular, eukaryotic organisms?

Accepted Answer

A) Bacteria 
B) protists 
C) Animalia 
D) Fungi 
E) Plantae 
A) Bacteria 
B) protists 
C) Animalia 
D) Fungi 
E) Plantae

Question 8

Which of the following is NOT a monophyletic group?

Accepted Answer

A) the class Mammalia, which includes all mammals 
B) the kingdom Animalia, which includes all animals 
C) the family Semionotidae, which includes fish that may not share a common ancestor 
D) you, your parents, and your siblings 
E) turtles and lizards 
A) the class Mammalia, which includes all mammals 
B) the kingdom Animalia, which includes all animals 
C) the family Semionotidae, which includes fish that may not share a common ancestor 
D) you, your parents, and your siblings 
E) turtles and lizards

Question 9

Comparing the chromosomes of chimpanzees and humans has revealed that the two species:

Accepted Answer

A) are closely related. 
B) should be classified in the same genus. 
C) should be classified in the same species. 
D) should not be classified in the same family. 
E) are only distantly related. 
A) are closely related. 
B) should be classified in the same genus. 
C) should be classified in the same species. 
D) should not be classified in the same family. 
E) are only distantly related.

Question 10

A modern system of classification gives the category name "domain" to:

Accepted Answer

A) Prokaryota. 
B) Eukarya. 
C) insects. 
D) Hominidae. 
E) Fungi. 
A) Prokaryota. 
B) Eukarya. 
C) insects. 
D) Hominidae. 
E) Fungi.

Question 11

-Based on the evolutionary tree shown here, which two organisms are most closely related?

Accepted Answer

A) humans and gorillas 
B) common gibbons and chimps 
C) orangutans and common gibbons 
D) humans and orangutans 
E) chimps and bonobos 
A) humans and gorillas 
B) common gibbons and chimps 
C) orangutans and common gibbons 
D) humans and orangutans 
E) chimps and bonobos

Exam 18: Systematics: Seeking Order Amidst Diversity

Organisms that reproduce ________ do not meet the standard criterion of a species.

Sponges and worms belong to the domain ________.

Based on current hypotheses, the prokaryotic group that gave rise to eukaryotes is the ________.

What should biologists do when two similar organisms that were originally thought to be separate species are found to interbreed freely and produce normal offspring whenever they live in the same habitat?

List the following taxonomic categories from the most specific to the most general: genus, domain, family, phylum, order.

The Asian elephant has the scientific name Elephas maximus. Elephas is the:

Which group contains mostly unicellular, eukaryotic organisms?

Which of the following is NOT a monophyletic group?

Comparing the chromosomes of chimpanzees and humans has revealed that the two species:

A modern system of classification gives the category name "domain" to:

-Based on the evolutionary tree shown here, which two organisms are most closely related?

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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