Question 1

All of the following apply to the demography of human populations today except

Accepted Answer

A) we use almost half of the Earth's land. 
B) we use over half of all renewable fresh water sources. 
C) we are unevenly distributed and the difference is increasing. 
D) we are using distributed resources unevenly-less than 20% of us use over 80% of the energy. 
E) our ecological footprint is decreasing. 
A) we use almost half of the Earth's land. 
B) we use over half of all renewable fresh water sources. 
C) we are unevenly distributed and the difference is increasing. 
D) we are using distributed resources unevenly-less than 20% of us use over 80% of the energy. 
E) our ecological footprint is decreasing.

Question 2

The number of individuals of a species that can be supported indefinitely in a particular place is called its

Accepted Answer

A) niche. 
B) biotic potential. 
C) carrying capacity. 
D) maximum size. 
E) habitat usagE. 
A) niche. 
B) biotic potential. 
C) carrying capacity. 
D) maximum size. 
E) habitat usagE.

Question 3

Which one of the following expressions from the logistic equation (dN/dt = rN ((K - N)/K)represents the proportion of unused resources remaining for use by the population?

Accepted Answer

A) the carrying capacity (K) 
B) the population size (N) 
C) the biotic potential (rN) 
D) (K - N)/K 
E) the growth rate (dN/dt) 
A) the carrying capacity (K) 
B) the population size (N) 
C) the biotic potential (rN) 
D) (K - N)/K 
E) the growth rate (dN/dt)

Question 4

A __________ would probably have a Type III life history.

Accepted Answer

A) whale 
B) coconut palm 
C) lion 
D) gorilla 
E) pine tree 
A) whale 
B) coconut palm 
C) lion 
D) gorilla 
E) pine tree

Question 5

Populations of endotherms that live in colder climates tend to have shorter ears and limbs than populations of the same species in warm climates.This is called ____________ Rule.

Accepted Answer

A) Allen's 
B) the K-Selected 
C) the r-Selected 
D) Edward's 
A) Allen's 
B) the K-Selected 
C) the r-Selected 
D) Edward's

Question 6

Which one of the following factors that affects population growth is not a direct part of the logistic growth equation?

Accepted Answer

A) intraspecific competition 
B) interspecific competition 
C) floods and droughts 
D) predation 
E) disease 
A) intraspecific competition 
B) interspecific competition 
C) floods and droughts 
D) predation 
E) disease

Question 7

Organisms with a Type III life history are probably

Accepted Answer

A) K-selected. 
B) r-selected. 
C) idiopathiC. 
D) at their carrying capacity. 
E) subject to low predation rates. 
A) K-selected. 
B) r-selected. 
C) idiopathiC. 
D) at their carrying capacity. 
E) subject to low predation rates.

Question 8

Density-independent factors do not include

Accepted Answer

A) weather. 
B) earthquakes. 
C) intraspecific competition. 
D) volcanism. 
E) introduction of non-native species. 
A) weather. 
B) earthquakes. 
C) intraspecific competition. 
D) volcanism. 
E) introduction of non-native species.

Question 9

At what point in a population will zero population growth occur?

Accepted Answer

A) when N equals K 
B) when N is less than K 
C) when dN/dt equals zero 
D) when r equals zero 
E) when N equals zero 
A) when N equals K 
B) when N is less than K 
C) when dN/dt equals zero 
D) when r equals zero 
E) when N equals zero

Question 10

A group of population members all of the same age is called a _________.

Accepted Answer

A) deme 
B) species 
C) cohort 
D) tribe 
A) deme 
B) species 
C) cohort 
D) tribe

Question 11

Populations have three basic types of dispersal patterns-clumped,random,and uniform.One can observe random distributions because

Accepted Answer

A) individuals of the populations do not interact strongly with one another. 
B) individuals of the population are usually in competition for resources. 
C) individuals of the population are reacting to uneven distribution of resources. 
D) individuals of the population with random distribution display social interactions. 
A) individuals of the populations do not interact strongly with one another. 
B) individuals of the population are usually in competition for resources. 
C) individuals of the population are reacting to uneven distribution of resources. 
D) individuals of the population with random distribution display social interactions.

Question 12

Select the feature that is not an important characteristic of a population.

Accepted Answer

A) a population's geographic distribution 
B) dispersion of individuals within the population 
C) the life history of the population 
D) the demography of the population 
E) if and how the population interacts with a metapopulation 
A) a population's geographic distribution 
B) dispersion of individuals within the population 
C) the life history of the population 
D) the demography of the population 
E) if and how the population interacts with a metapopulation

Question 13

Allen's rule states that mammals from colder climates have shorter ears and appendages than individuals of the same species from warmer areas.The related Bergman's rule states that mammal body size varies with latitude,with larger body size in populations located closer to the poles and smaller body size in populations located closer to the equator.Both Allen's and Bergman's rule has to do with the fact that

Accepted Answer

A) larger bodies can store proportionally more fat as insulation than smaller bodies. 
B) smaller bodies can store proportionally more fat as insulation than larger bodies. 
C) larger bodies have a proportionally smaller surface area,and heat radiation varies with surface area. 
D) larger bodies have a proportionally smaller surface area,and heat radiation varies with volume. 
E) smaller bodies have a proportionally smaller surface area,and heat radiation varies with surface area. 
A) larger bodies can store proportionally more fat as insulation than smaller bodies. 
B) smaller bodies can store proportionally more fat as insulation than larger bodies. 
C) larger bodies have a proportionally smaller surface area,and heat radiation varies with surface area. 
D) larger bodies have a proportionally smaller surface area,and heat radiation varies with volume. 
E) smaller bodies have a proportionally smaller surface area,and heat radiation varies with surface area.

Question 14

Which one of the following is not a physical environmental factor that determines where an organism can live?

Accepted Answer

A) temperature 
B) water 
C) insolation (sunlight) 
D) soil type 
E) intraspecific competition 
A) temperature 
B) water 
C) insolation (sunlight) 
D) soil type 
E) intraspecific competition

Question 15

Organisms such as lizards that need to maintain body temperature through external means do so by

Accepted Answer

A) shivering to produce heat. 
B) sunbathing. 
C) swimming in geothermal pools. 
D) running frequently to warm up. 
E) eating large meals to provide calories for heat production. 
A) shivering to produce heat. 
B) sunbathing. 
C) swimming in geothermal pools. 
D) running frequently to warm up. 
E) eating large meals to provide calories for heat production.

Question 16

Demographic studies include all of the following except

Accepted Answer

A) age structure. 
B) growth rates. 
C) mortality and survivorship curves. 
D) sex ratio. 
E) measurements of interspecific competition. 
A) age structure. 
B) growth rates. 
C) mortality and survivorship curves. 
D) sex ratio. 
E) measurements of interspecific competition.

Question 17

A group of individuals of a single species living together is a

Accepted Answer

A) deme. 
B) phenotype. 
C) genome. 
D) biotic community. 
E) population. 
A) deme. 
B) phenotype. 
C) genome. 
D) biotic community. 
E) population.

Question 18

The statistical study of populations including sex ratio,age structure,and predicting growth rates is called __________.

Accepted Answer

A) ethology 
B) demography 
C) population genetics 
D) biometrics 
A) ethology 
B) demography 
C) population genetics 
D) biometrics

Question 19

Life history adaptations of ____ selected populations are characterized by an early age of first reproduction and short maturation time and life span.

Accepted Answer

A) r- 
B) K- 
A) r- 
B) K-

Question 20

Species that have a delayed reproductive stage,are competing for limited resources,and have smaller numbers of slowly maturing large offspring show ______ selected adaptations.

Accepted Answer

A) K- 
B) r- 
A) K- 
B) r-

Exam 56: Population Ecology

All of the following apply to the demography of human populations today except

The number of individuals of a species that can be supported indefinitely in a particular place is called its

Which one of the following expressions from the logistic equation (dN/dt = rN ((K - N)/K)represents the proportion of unused resources remaining for use by the population?

A __________ would probably have a Type III life history.

Populations of endotherms that live in colder climates tend to have shorter ears and limbs than populations of the same species in warm climates.This is called ____________ Rule.

Which one of the following factors that affects population growth is not a direct part of the logistic growth equation?

Organisms with a Type III life history are probably

Density-independent factors do not include

At what point in a population will zero population growth occur?

A group of population members all of the same age is called a _________.

Populations have three basic types of dispersal patterns-clumped,random,and uniform.One can observe random distributions because

Select the feature that is not an important characteristic of a population.

Which one of the following is not a physical environmental factor that determines where an organism can live?

Organisms such as lizards that need to maintain body temperature through external means do so by

Demographic studies include all of the following except

A group of individuals of a single species living together is a

The statistical study of populations including sex ratio,age structure,and predicting growth rates is called __________.

Life history adaptations of ____ selected populations are characterized by an early age of first reproduction and short maturation time and life span.

Species that have a delayed reproductive stage,are competing for limited resources,and have smaller numbers of slowly maturing large offspring show ______ selected adaptations.

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

Community of Ecology

Dynamics of Ecosystems

The Biosphere

Conservation Biology

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