Question 1

Which interaction is advantageous for one species, but has no effect on the other? ​

Accepted Answer

A) commensalism 
B) herbivory 
C) mutualism 
D) parasitism 
E) predation 
A) commensalism 
B) herbivory 
C) mutualism 
D) parasitism 
E) predation

Question 2

Match between columns
                        Premises: one population obtains energy from plants; plants are negatively affected

Accepted Answer

The Answer of mutualism and herbivory and predation and parasitism is...

Question 3

Match between columns
                        Premises: two or more species use the same limiting resource

Accepted Answer

The Answer of ecological niche and exploitative competition and interference is...

Question 4

If cowbird eggs are laid in an oropendola nest in the open woodlands of Central America, what would be the expected outcome? ​

Accepted Answer

A) The cowbird eggs would be ejected from the nest to eliminate the competition. 
B) The cowbird eggs would be ejected from the nest due to a reaction of the mother bird's immune system. 
C) The cowbird eggs would not be ejected from the nest because they provide an additional food source. 
D) The cowbird eggs would not be ejected from the nest because they provide protection from large predators. 
E) The cowbird eggs would not be ejected from the nest because they provide protection from parasites. 
A) The cowbird eggs would be ejected from the nest to eliminate the competition. 
B) The cowbird eggs would be ejected from the nest due to a reaction of the mother bird's immune system. 
C) The cowbird eggs would not be ejected from the nest because they provide an additional food source. 
D) The cowbird eggs would not be ejected from the nest because they provide protection from large predators. 
E) The cowbird eggs would not be ejected from the nest because they provide protection from parasites.

Question 5

How can predators influence the species richness and structure of communities? ​

Accepted Answer

A) Predators increase the carrying capacity of their prey. 
B) Predators destabilize competitive interactions among their prey. 
C) Predators increase the population sizes of pathogens. 
D) Predators increase the population sizes of their prey. 
E) Predators reduce the population sizes of their prey. 
A) Predators increase the carrying capacity of their prey. 
B) Predators destabilize competitive interactions among their prey. 
C) Predators increase the population sizes of pathogens. 
D) Predators increase the population sizes of their prey. 
E) Predators reduce the population sizes of their prey.

Question 6

Periwinkle snails prefer to feed on the green alga Enteromorpha . In tide pools, Enteromorpha , which other alga species, while in areas exposed at low tide, the red alga Chondrus outcompetes Enteromorpha . How did these feeding and competing interactions affect the algal populations? ​

Accepted Answer

A) Periwinkles decreased species richness in both tide pools and exposed areas. ​ 
B) Periwinkles eliminated all of the less dominant algal species. 
C) Periwinkles eliminated the dominant algae entirely. 
D) Periwinkles decreased species richness when Enteromorpha is dominant, but increased species richness when Enteromorpha is competitively inferior. 
E) Periwinkles increased species richness when Enteromorpha is dominant, but decreased species richness when Enteromorpha is competitively inferior. 
A) Periwinkles decreased species richness in both tide pools and exposed areas. ​ 
B) Periwinkles eliminated all of the less dominant algal species. 
C) Periwinkles eliminated the dominant algae entirely. 
D) Periwinkles decreased species richness when Enteromorpha is dominant, but increased species richness when Enteromorpha is competitively inferior. 
E) Periwinkles increased species richness when Enteromorpha is dominant, but decreased species richness when Enteromorpha is competitively inferior.

Question 7

Match between columns
                        Premises: top carnivore

Accepted Answer

The Answer of  E and  F and  is...

Question 8

Match between columns
                        Premises: primary consumers

Accepted Answer

The Answer of  C and  B and A is...

Question 9

In many ecological communities, one common species can function as a foundation species , defining the nature of a community by creating locally stable environmental conditions.

Accepted Answer

A) True 
 B)False

Question 10

What is an ecotone? ​

Accepted Answer

A) a parasite that is external to the body 
B) a parasite that is internal to the body 
C) an example of an individualistic hypothesis 
D) a zone between two communities 
E) the combination of species in an environment that is constant 
A) a parasite that is external to the body 
B) a parasite that is internal to the body 
C) an example of an individualistic hypothesis 
D) a zone between two communities 
E) the combination of species in an environment that is constant

Question 11

What role do bees play in the interaction between cowbirds and oropendola birds? ​

Accepted Answer

A) keep away large predators 
B) keep away insect pests 
C) pollinate species that only cowbirds prefer 
D) pollinate species that only oropendola birds prefer 
E) have no effect on the relationship between cowbirds and oropendolas 
A) keep away large predators 
B) keep away insect pests 
C) pollinate species that only cowbirds prefer 
D) pollinate species that only oropendola birds prefer 
E) have no effect on the relationship between cowbirds and oropendolas

Question 12

Match between columns
                        Premises: tertiary consumers

Accepted Answer

The Answer of  B and  F and  is...

Question 13

Saltmarsh cordgrass is known as a(n)_____ because patches slow the velocity of incoming tides and stabilize stormy beach habitat. ​

Accepted Answer

A) parasite 
B) foundation species 
C) symbiote 
D) mimic ​ 
E) ecotone 
A) parasite 
B) foundation species 
C) symbiote 
D) mimic ​ 
E) ecotone

Question 14

Match between columns
                        Premises: quaternary consumers

Accepted Answer

The Answer of A  and  D and  is...

Question 15

Match between columns
                        Premises: primary producers

Accepted Answer

The Answer of A  and  D and  is...

Question 16

How do North American porcupines protect themselves from predators? ​

Accepted Answer

A) Their coloration serves as a disguise. 
B) They seek shelter in a tree. 
C) They have large jaws with teeth. 
D) They release a noxious spray. 
E) They release sharp modified hairs that stick in a predator's mouth. 
A) Their coloration serves as a disguise. 
B) They seek shelter in a tree. 
C) They have large jaws with teeth. 
D) They release a noxious spray. 
E) They release sharp modified hairs that stick in a predator's mouth.

Question 17

Match between columns
                        Premises: one population obtains energy from a host; the host is injured or killed

Accepted Answer

The Answer of mutualism and herbivory and competition and commensalism is...

Question 18

What is the difference between a food chain and a food web?

Accepted Answer

A food chain is depicted in a straight l

Question 19

The monarch butterfly has an undesirable taste and the viceroy butterfly has a selective advantage because it looks like the monarch. This is an example of ____. ​

Accepted Answer

A) aposematic coloration 
B) Batesian mimicry 
C) competitive exclusion principle 
D) cryptic coloration 
E) Müllerian mimicry 
A) aposematic coloration 
B) Batesian mimicry 
C) competitive exclusion principle 
D) cryptic coloration 
E) Müllerian mimicry

Question 20

Allopatric populations that are morphologically ____ use ____ resources. ​

Accepted Answer

A) similar; similar 
B) similar; different 
C) different; different 
D) different; similar 
E) unrelated; mimicry 
A) similar; similar 
B) similar; different 
C) different; different 
D) different; similar 
E) unrelated; mimicry

Exam 53: Population Interactions and Community Ecology

Which interaction is advantageous for one species, but has no effect on the other? ​

If cowbird eggs are laid in an oropendola nest in the open woodlands of Central America, what would be the expected outcome? ​

How can predators influence the species richness and structure of communities? ​

Periwinkle snails prefer to feed on the green alga Enteromorpha . In tide pools, Enteromorpha , which other alga species, while in areas exposed at low tide, the red alga Chondrus outcompetes Enteromorpha . How did these feeding and competing interactions affect the algal populations? ​

In many ecological communities, one common species can function as a foundation species , defining the nature of a community by creating locally stable environmental conditions.

What is an ecotone? ​

What role do bees play in the interaction between cowbirds and oropendola birds? ​

Saltmarsh cordgrass is known as a(n)_____ because patches slow the velocity of incoming tides and stabilize stormy beach habitat. ​

How do North American porcupines protect themselves from predators? ​

What is the difference between a food chain and a food web?

The monarch butterfly has an undesirable taste and the viceroy butterfly has a selective advantage because it looks like the monarch. This is an example of ____. ​

Allopatric populations that are morphologically ____ use ____ resources. ​

Introduction to Biological Concepts and Research

Life, Chemistry, and Water

Biological Molecules: the Carbon Compounds of Life

Cells

Membranes and Transport

Energy, Enzymes, and Biological Reactions

Cellular Respiration: Harvesting Chemical Energy

Photosynthesis

Cell Communication

Cell Division and Mitosis

Meiosis: the Cellular Basis of Sexual Reproduction

Mendel, Genes, and Inheritance

Genes, Chromosomes, and Human Genetics

DNA Structure, Replication, and Organization

From DNA to Protein

Regulation of Gene Expression

Bacterial and Viral Genetics

Dna Technologies: Making and Using Genetically Altered Organisms, and Other Applications

Genomes and Proteomes

The Development of Evolutionary Thought

Microevolution: Genetic Changes Within Populations

Speciation

Paleobiology and Macroevolution

Systematic Biology: Phylogeny and Classification

The Origin of Life

Prokaryotes and Viruses

Protists

Seedless Plants

Seed Plants

Fungi

Animal Phylogeny, Acoelomates, and Protostomes

Deuterostomes: Vertebrates and Their Closest Relatives

The Plant Body

Transport in Plants

Plant Nutrition

Reproduction and Development in Flowering Plants

Plant Signals and Responses to the Environment

Introduction to Animal Organization and Physiology

Information Flow and the Neuron

Nervous Systems

Sensory Systems

The Endocrine System

Muscles, Bones, and Body Movements

The Circulatory System

Defenses Against Disease

Gas Exchange: the Respiratory System

Animal Nutrition

Regulating the Internal Environment

Animal Reproduction

Animal Development

Ecology and the Biosphere

Population Ecology

Ecosystems

Biodiversity and Conservation Biology

Animal Behavior

Filters

Which interaction is advantageous for one species, but has no effect on the other?

If cowbird eggs are laid in an oropendola nest in the open woodlands of Central America, what would be the expected outcome?

How can predators influence the species richness and structure of communities?

Periwinkle snails prefer to feed on the green alga Enteromorpha . In tide pools, Enteromorpha , which other alga species, while in areas exposed at low tide, the red alga Chondrus outcompetes Enteromorpha . How did these feeding and competing interactions affect the algal populations?

What is an ecotone?

What role do bees play in the interaction between cowbirds and oropendola birds?

Saltmarsh cordgrass is known as a(n)_____ because patches slow the velocity of incoming tides and stabilize stormy beach habitat.

How do North American porcupines protect themselves from predators?

The monarch butterfly has an undesirable taste and the viceroy butterfly has a selective advantage because it looks like the monarch. This is an example of ____.

Allopatric populations that are morphologically use resources.