Question 1

Why does a rattlesnake open its mouth before it even strikes?

Accepted Answer

If a rattlesnake has the inten

Question 2

What conclusion can be drawn from Gause's experiments on interspecific competition in Paramecium?

Accepted Answer

A) When two populations of Paramecium use the same limiting resource, they cannot coexist long term. 
B) One population of Paramecium used the other as a food source. 
C) When two populations of Paramecium use the same limiting resource, they can coexist long term. 
D) Both populations of Paramecium expire due to a buildup of waste products. 
A) When two populations of Paramecium use the same limiting resource, they cannot coexist long term. 
B) One population of Paramecium used the other as a food source. 
C) When two populations of Paramecium use the same limiting resource, they can coexist long term. 
D) Both populations of Paramecium expire due to a buildup of waste products.

Question 3

All land-dwelling animals utilize oxygen for respiration, but does that make oxygen a limiting factor?

Accepted Answer

Even though all land-dwelling

Question 4

Which adaptation allows a rattlesnake to more effectively locate prey?

Accepted Answer

A) an acute sense of smell 
B) an acute sense of hearing 
C) an acute sense of vision 
D) heat sensors 
A) an acute sense of smell 
B) an acute sense of hearing 
C) an acute sense of vision 
D) heat sensors

Question 5

What conclusion can be drawn regarding a community in which many species are involved in a food web?

Accepted Answer

A) It is more stable because organisms have more than a single food source. 
B) It is more fragile because organisms have only a single food source. 
C) It is more fragile because organisms have more than a single food source. 
D) It is more stable because organisms have only a single food source. 
A) It is more stable because organisms have more than a single food source. 
B) It is more fragile because organisms have only a single food source. 
C) It is more fragile because organisms have more than a single food source. 
D) It is more stable because organisms have only a single food source.

Question 6

Match each description to the appropriate term.
-the use of resources in different ways

Accepted Answer

A) aposematic coloration 
B) commensalism 
C) ecological niche 
D) exploitative competition 
E) interference competition
F)mimicry
G)mutualism
H)parasitism
I)resource partitioning 
A) aposematic coloration 
B) commensalism 
C) ecological niche 
D) exploitative competition 
E) interference competition
F)mimicry
G)mutualism
H)parasitism
I)resource partitioning

Question 7

Use the terms in the list to identify each lettered portion of the food web.  
-tertiary consumers

Accepted Answer

The answer of Use the terms in the list to...

Question 8

Match each lettered cell in the table with the description that belongs in that cell.  
-both populations may be at a disadvantage

Accepted Answer

The answer of Match each lettered cell in the table...

Question 9

What is the difference between a decomposer and a detritivore?

Accepted Answer

A decomposer is a small organism, such a

Question 10

Match each description to the appropriate term.
-one species derives benefits and the other is unaffected

Accepted Answer

A) aposematic coloration 
B) commensalism 
C) ecological niche 
D) exploitative competition 
E) interference competition
F)mimicry
G)mutualism
H)parasitism
I)resource partitioning 
A) aposematic coloration 
B) commensalism 
C) ecological niche 
D) exploitative competition 
E) interference competition
F)mimicry
G)mutualism
H)parasitism
I)resource partitioning

Question 11

Caterpillars of monarch butterflies are immune to the cardiac glycosides in the dandelion leaves they eat.

Accepted Answer

A) True 
 B)False

Exam 30: Population Interactions and Community Ecology

Why does a rattlesnake open its mouth before it even strikes?

What conclusion can be drawn from Gause's experiments on interspecific competition in Paramecium?

All land-dwelling animals utilize oxygen for respiration, but does that make oxygen a limiting factor?

Which adaptation allows a rattlesnake to more effectively locate prey?

What conclusion can be drawn regarding a community in which many species are involved in a food web?

Match each description to the appropriate term. -the use of resources in different ways

Use the terms in the list to identify each lettered portion of the food web. -tertiary consumers

Match each lettered cell in the table with the description that belongs in that cell. -both populations may be at a disadvantage

What is the difference between a decomposer and a detritivore?

Match each description to the appropriate term. -one species derives benefits and the other is unaffected

Caterpillars of monarch butterflies are immune to the cardiac glycosides in the dandelion leaves they eat.

Light and Life

The Cell: an Overview

Defining Life and Its Origins

Energy and Enzymes

Cell Membranes and Signalling

Cellular Respiration

Photosynthesis

Cell Cycles

Genetic Recombination

Mendel, Genes, and Inheritance

Genes, Chromosomes, and Human Genetics

Dna Structure, Replication, and Organization

Gene Structure and Expression

Control of Gene Expression

Dna Technologies

Genomes and Proteomes

Evolution: the Development of the Theory

Microevolution: Changes Within Populations

Species and Macroevolution

Understanding the History of Life on Earth

Humans and Evolution

Bacteria and Archaea

Viruses, Viroids, and Prions: Infectious Biological Particles

Protists

Fungi

Plants

Diversity of Animals 1: Sponges, Radiata, Platyhelminthes, and Protostomes

Diversity of Animals 2: Deuterostomes: Vertebrates and Their Closest Relatives

Population Ecology

Ecosystems

Conservation of Biodiversity

Putting Selection to Work

Organization of the Plant Body

Transport in Plants

Reproduction and Development in Flowering Plants

Plant Nutrition

Plant Signals and Responses to the Environment

Introduction to Animal Organization and Physiology

Transport in Animals: the Circulatory System

Reproduction in Animals

Animal Development

Control of Animal Processes: Neural Control

Control of Animal Processes: Neural Control

Control of Animal Processes: Neural Integration

Muscles, Skeletons, and Body Movements

Animal Behaviour

Animal Nutrition

Gas Exchange: the Respiratory System

Regulating the Internal Environment

Defences Against Disease

Conservation and Evolutionary Physiology

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