Question 1

Evolution results from

Accepted Answer

A) mutations. 
B) natural selection. 
C) genetic drift. 
D) gene flow. 
E) All of the choices are correct. 
A) mutations. 
B) natural selection. 
C) genetic drift. 
D) gene flow. 
E) All of the choices are correct.

Question 2

The alternate form of a gene is called a(n)_________________________________.

Accepted Answer

The answer of The alternate form of a gene is...

Question 3

Locally adapted and genetically distinctive populations within a species are referred to as

Accepted Answer

A) heterotypes. 
B) metatypes. 
C) genotypes. 
D) ecotypes. 
E) allotypes. 
A) heterotypes. 
B) metatypes. 
C) genotypes. 
D) ecotypes. 
E) allotypes.

Question 4

The Hardy-Weinberg principle states that

Accepted Answer

A) genotypic changes will result in phenotypic changes. 
B) phenotypic changes will result in genotypic changes. 
C) allelic frequencies within a population will not change unless certain conditions are met. 
D) allelic frequencies within a population will change unless certain conditions are met. 
E) None of the choices are correct. 
A) genotypic changes will result in phenotypic changes. 
B) phenotypic changes will result in genotypic changes. 
C) allelic frequencies within a population will not change unless certain conditions are met. 
D) allelic frequencies within a population will change unless certain conditions are met. 
E) None of the choices are correct.

Question 5

Adaptation to the environment by a population does not include

Accepted Answer

A) variation in characteristics among individuals in a population. 
B) evolution. 
C) improved ability to live in the environment. 
D) anatomy,physiology,and behavior. 
E) None of the choices are correct. 
A) variation in characteristics among individuals in a population. 
B) evolution. 
C) improved ability to live in the environment. 
D) anatomy,physiology,and behavior. 
E) None of the choices are correct.

Question 6

The combination of genetics and environmental pressures can cause variations in phenotypes.

Accepted Answer

A) True 
 B)False

Question 7

Over time,average phenotypes become less common and the population becomes phenotypically more diverse as a result of _____________ selection.

Accepted Answer

A) bimodal 
B) directional 
C) disruptive 
D) stabilizing 
E) disjointed 
A) bimodal 
B) directional 
C) disruptive 
D) stabilizing 
E) disjointed

Question 8

The number of offspring contributed by an individual to future generations is called _________________.

Accepted Answer

The answer of The number of offspring contributed by an...

Question 9

Ecotypes are local populations within a species that are genetically and phenotypically distinct due in part to local environmental adaptation.

Accepted Answer

A) True 
 B)False

Question 10

Phenotypic changes are always reflections of genotypic changes.

Accepted Answer

A) True 
 B)False

Question 11

Which of the following is not part of Darwin's theory of natural selection?

Accepted Answer

A) Offspring are like their parents. 
B) There is variation between individuals within a species. 
C) Fewer offspring are produced each generation than can be supported by the environment. 
D) Some individuals have a higher chance of surviving and reproducing than others in the same population. 
E) Heritable characteristics can be passed from parent to offspring. 
A) Offspring are like their parents. 
B) There is variation between individuals within a species. 
C) Fewer offspring are produced each generation than can be supported by the environment. 
D) Some individuals have a higher chance of surviving and reproducing than others in the same population. 
E) Heritable characteristics can be passed from parent to offspring.

Evolution results from

The alternate form of a gene is called a(n)_________________________________.

Locally adapted and genetically distinctive populations within a species are referred to as

The Hardy-Weinberg principle states that

Adaptation to the environment by a population does not include

The combination of genetics and environmental pressures can cause variations in phenotypes.

Over time,average phenotypes become less common and the population becomes phenotypically more diverse as a result of _____________ selection.

The number of offspring contributed by an individual to future generations is called _________________.

Ecotypes are local populations within a species that are genetically and phenotypically distinct due in part to local environmental adaptation.

Phenotypic changes are always reflections of genotypic changes.

Which of the following is not part of Darwin's theory of natural selection?

Introduction to Ecology: Historical Foundations and Developing Frontiers

Life on Land

Life in Water

Temperature Relations

Water Relations

Energy and Nutrient Relations

Social Relations

Population Distribution and Abundance

Population Dynamics

Population Growth

Life Histories

Competition

Exploitative Interactions: Predation, herbivory, parasitism, and Disease

Mutualism

Species Abundance and Diversity

Species Interactions and Community Structure

Primary Production and Energy Flow

Nutrient Cycling and Retention

Succession and Stability

Landscape Ecology

Geographic Ecology

Global Ecology

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Exam 4: Population Genetics and Natural Selection

Evolution results from

The alternate form of a gene is called a(n)_________________________________.

Locally adapted and genetically distinctive populations within a species are referred to as

The Hardy-Weinberg principle states that

Adaptation to the environment by a population does not include

The combination of genetics and environmental pressures can cause variations in phenotypes.

Over time,average phenotypes become less common and the population becomes phenotypically more diverse as a result of _____________ selection.

The number of offspring contributed by an individual to future generations is called _________________.

Ecotypes are local populations within a species that are genetically and phenotypically distinct due in part to local environmental adaptation.

Phenotypic changes are always reflections of genotypic changes.

Which of the following is not part of Darwin's theory of natural selection?

Introduction to Ecology: Historical Foundations and Developing Frontiers

Life on Land

Life in Water

Temperature Relations

Water Relations

Energy and Nutrient Relations

Social Relations

Population Distribution and Abundance

Population Dynamics

Population Growth

Life Histories

Competition

Exploitative Interactions: Predation, herbivory, parasitism, and Disease

Mutualism

Species Abundance and Diversity

Species Interactions and Community Structure

Primary Production and Energy Flow

Nutrient Cycling and Retention

Succession and Stability

Landscape Ecology

Geographic Ecology

Global Ecology

Filters