Question 1

Which of the following is an example of commensalism?

Accepted Answer

A) a tapeworm living in the intestines of a mule deer 
B) epiphytes growing on the trunk of a tree 
C) a female mosquito sucking blood from a musk oxen 
D) aphids and their ant tenders 
E) acacia trees and their ants 
A) a tapeworm living in the intestines of a mule deer 
B) epiphytes growing on the trunk of a tree 
C) a female mosquito sucking blood from a musk oxen 
D) aphids and their ant tenders 
E) acacia trees and their ants

Question 2

Choose the letter of the best match from the following:
-It is a situation in which a palatable organism resembles another kind of organism that is distasteful or toxic.

Accepted Answer

A) coevolution 
B) aposematic coloration 
C) cryptic coloration 
D) secondary chemical compounds 
E) Batesian mimicry 
A) coevolution 
B) aposematic coloration 
C) cryptic coloration 
D) secondary chemical compounds 
E) Batesian mimicry

Question 3

Secondary compounds play a defensive role for plants to keep from being eaten by ________.

Accepted Answer

A) herbivores 
B) carnivores 
C) tertiary consumers 
D) parasites 
A) herbivores 
B) carnivores 
C) tertiary consumers 
D) parasites

Question 4

Choose the letter of the best match from the following:
-Organisms that possess this property are poisonous,sting,or are otherwise harmful;commonly black,yellow,and red in color.

Accepted Answer

A) coevolution 
B) aposematic coloration 
C) cryptic coloration 
D) secondary chemical compounds 
E) Batesian mimicry 
A) coevolution 
B) aposematic coloration 
C) cryptic coloration 
D) secondary chemical compounds 
E) Batesian mimicry

Question 5

Some animals are ______ colored and blend in with their surroundings.

Accepted Answer

A) aposematically 
B) cryptically 
C) asymmetrically 
D) randomly 
A) aposematically 
B) cryptically 
C) asymmetrically 
D) randomly

Question 6

Paleontological studies indicate that,over millions of years,

Accepted Answer

A) groups of species that have coevolved rise and go extinct together. 
B) species that occurred together in the distant past still occur together today;the community has held constant. 
C) species that arose recently have driven some older species extinct in certain communities. 
D) species seem to come and go individually as niches within a community become available. 
E) species richness changes very littlE. 
A) groups of species that have coevolved rise and go extinct together. 
B) species that occurred together in the distant past still occur together today;the community has held constant. 
C) species that arose recently have driven some older species extinct in certain communities. 
D) species seem to come and go individually as niches within a community become available. 
E) species richness changes very littlE.

Question 7

The individualistic concept of community makes all of the following predictions except

Accepted Answer

A) adjacent areas with very different soil types should have different,but predictable plant communities. 
B) changes in the abundance of tree species along a soil moisture gradient should not be synchronous with changes in other species. 
C) it should not be possible to predict how the abundance of one community member will change along a habitat gradient based on changes in other community members. 
D) the species composition and abundance of a prehistoric community should be very different from the community existing there today. 
E) in moving from one community to another,species should appear and disappear independently. 
A) adjacent areas with very different soil types should have different,but predictable plant communities. 
B) changes in the abundance of tree species along a soil moisture gradient should not be synchronous with changes in other species. 
C) it should not be possible to predict how the abundance of one community member will change along a habitat gradient based on changes in other community members. 
D) the species composition and abundance of a prehistoric community should be very different from the community existing there today. 
E) in moving from one community to another,species should appear and disappear independently.

Question 8

In _______ mimicry,unprotected species resemble others that are distasteful.

Accepted Answer

A) Müllerian 
B) competitive 
C) Batesian 
D) aposematic 
A) Müllerian 
B) competitive 
C) Batesian 
D) aposematic

Question 9

Primary succession can occur on all of the following except a(n)

Accepted Answer

A) bare surface. 
B) rock. 
C) area sterilized by a lava flow. 
D) fire-ravaged soil. 
E) lifeless substratE. 
A) bare surface. 
B) rock. 
C) area sterilized by a lava flow. 
D) fire-ravaged soil. 
E) lifeless substratE.

Question 10

Some insect species have coevolved with particular flowering plants,to assist them in pollination and defense.Plants have also evolved special traits to benefit the insects.Select from the following an item that plants have not coevolved to benefit an insect.

Accepted Answer

A) food 
B) shelter 
C) protection 
D) water 
E) secondary compounds 
A) food 
B) shelter 
C) protection 
D) water 
E) secondary compounds

Question 11

All of the following items are features of a biological community,except one.Select the exception.

Accepted Answer

A) species richness 
B) keystone species present 
C) successional stage 
D) primary productivity 
E) character displacement 
A) species richness 
B) keystone species present 
C) successional stage 
D) primary productivity 
E) character displacement

Question 12

Competition shapes communities because there are usually limited ___________.

Accepted Answer

A) species 
B) resources 
C) interactions 
D) nutrients 
A) species 
B) resources 
C) interactions 
D) nutrients

Question 13

Which of the following statements about Gause's studies of competition between different species of Paramecium is false?

Accepted Answer

A) A species cultured by itself showed only the effects of intraspecific competition. 
B) A species cultured with another species showed only the effects of interspecific competition. 
C) Competitive exclusion did not always occur if the species' realized niches were sufficiently different. 
D) His studies focused on the type of competition called exploitative competition. 
E) His results showed that there was considerable niche overlap in the Paramecium species he studied. 
A) A species cultured by itself showed only the effects of intraspecific competition. 
B) A species cultured with another species showed only the effects of interspecific competition. 
C) Competitive exclusion did not always occur if the species' realized niches were sufficiently different. 
D) His studies focused on the type of competition called exploitative competition. 
E) His results showed that there was considerable niche overlap in the Paramecium species he studied.

Question 14

Secondary succession takes place in all of the following except

Accepted Answer

A) an abandoned agricultural field. 
B) an area burnt off by a fire. 
C) an area exposed by a melting glacier. 
D) an abandoned landfill. 
E) a pile of cow manure ("cow flop.") 
A) an abandoned agricultural field. 
B) an area burnt off by a fire. 
C) an area exposed by a melting glacier. 
D) an abandoned landfill. 
E) a pile of cow manure ("cow flop.")

Exam 57: Community of Ecology

Which of the following is an example of commensalism?

Choose the letter of the best match from the following: -It is a situation in which a palatable organism resembles another kind of organism that is distasteful or toxic.

Secondary compounds play a defensive role for plants to keep from being eaten by ________.

Choose the letter of the best match from the following: -Organisms that possess this property are poisonous,sting,or are otherwise harmful;commonly black,yellow,and red in color.

Some animals are ______ colored and blend in with their surroundings.

Paleontological studies indicate that,over millions of years,

The individualistic concept of community makes all of the following predictions except

In _______ mimicry,unprotected species resemble others that are distasteful.

Primary succession can occur on all of the following except a(n)

Some insect species have coevolved with particular flowering plants,to assist them in pollination and defense.Plants have also evolved special traits to benefit the insects.Select from the following an item that plants have not coevolved to benefit an insect.

All of the following items are features of a biological community,except one.Select the exception.

Competition shapes communities because there are usually limited ___________.

Which of the following statements about Gause's studies of competition between different species of Paramecium is false?

Secondary succession takes place in all of the following except

The Science of Biology

The Nature of Molecules

The Chemical Building Blocks of Life

Cell Structure

Membranes

Energy and Metabolism

How Cells Harvest Energy

Photosynthesis

Cell Communication

How Cells Divide

Sexual Reproduction and Meiosis

Patterns of Inheritance

Chromosomes Mapping and the Meiosis - Inheritance Connection

Dna: the Genetic Material

Genes and How They Work

Control of Gene Expression

Biotechnology

Genomics

Cellular Mechanisms of Development

Genes Within Populations

The Evidence for Evolution

The Origin of Species

Systematics and the Phylogenetic Revolution

Genome Evolution

Evolution of Development

The Tree of Life

Viruses

Prokaryotes

Protists

Overview of Green Plants

Fungi

Overview of Animal Diversity

Noncoelomate Invertebrates

Coelomate Invertebrates

Vertebrates

Plant Form

Vegetative Plant Development

Transport in Plants

Plant Nutrition and Soils

Plant Defense Responses

Sensory Systems in Plants

Plant Reproduction

The Animal Body and Principles of Regulation

The Nervous System

Sensory Systems

The Endocrine System

The Musculoskeletal System

The Digestive System

The Respiratory System

The Circulatory System

Osmotic Regulation and the Urinary System

The Immune System

The Reproductive System

Animal Development

Behavioral Biology

Population Ecology

Dynamics of Ecosystems

The Biosphere

Conservation Biology

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