Question 1

Sexual selection can result in an increased frequency of alleles, which

Accepted Answer

A) may be harmful to the individual's survival but is always beneficial to its reproductive rate. 
B) are always beneficial to the individual's survival but may be harmful to its reproductive rate. 
C) are always beneficial to both the individual's survival and reproductive rate. 
D) may be harmful to both the individual's survival and reproductive rate. 
A) may be harmful to the individual's survival but is always beneficial to its reproductive rate. 
B) are always beneficial to the individual's survival but may be harmful to its reproductive rate. 
C) are always beneficial to both the individual's survival and reproductive rate. 
D) may be harmful to both the individual's survival and reproductive rate.

Question 2

Which of the following is NOT a cause of evolution?

Accepted Answer

A) mutation 
B) gene flow 
C) stable environmental conditions 
D) sexual selection 
A) mutation 
B) gene flow 
C) stable environmental conditions 
D) sexual selection

Question 3

Both insects and humans evolved jointed legs to allow locomotion on land. These structures are considered analogous because insects and humans

Accepted Answer

A) stopped evolving at different times in Earth's history. 
B) evolved from different ancestors. 
C) cannot breed. 
D) faced different environmental challenges during evolutionary time. 
A) stopped evolving at different times in Earth's history. 
B) evolved from different ancestors. 
C) cannot breed. 
D) faced different environmental challenges during evolutionary time.

Question 4

A used car is shipped from Australia to the United States. Stowed away in the trunk of the car is a piece of wood infected with Australian termites. Once in the United States, the buyer of the car finds the rotting wood and dumps it on the side of the road. The termites survive and establish a colony on the side of the road but do not mate with local termite populations. This is an example of

Accepted Answer

A) genetic drift. 
B) mutation. 
C) natural selection. 
D) gene flow. 
A) genetic drift. 
B) mutation. 
C) natural selection. 
D) gene flow.

Sexual selection can result in an increased frequency of alleles, which

Which of the following is NOT a cause of evolution?

Both insects and humans evolved jointed legs to allow locomotion on land. These structures are considered analogous because insects and humans

The Nature of Science

Chemistry of Life

Life Is Cellular

How Cells Work

Cell Division

Patterns of Inheritance

Chromosomes and Human Genetics

What Genes Are

How Genes Work

Evidence for Evolution

Adaptation and Species

The History of Life

Human Evolution

General Principles of Ecology

Growth of Populations

Communities of Organisms

Ecosystems

Homeostasis, Reproduction, and Development

Digestive, Muscular, and Skeletal Systems

Circulatory, Respiratory, Urinary, and Nervous Systems

Endocrine and Immune Systems

Plant Physiology

Applying the Science

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Exam 11: Mechanisms of Evolution

Sexual selection can result in an increased frequency of alleles, which

Which of the following is NOT a cause of evolution?

Both insects and humans evolved jointed legs to allow locomotion on land. These structures are considered analogous because insects and humans

The Nature of Science

Chemistry of Life

Life Is Cellular

How Cells Work

Cell Division

Patterns of Inheritance

Chromosomes and Human Genetics

What Genes Are

How Genes Work

Evidence for Evolution

Adaptation and Species

The History of Life

Human Evolution

General Principles of Ecology

Growth of Populations

Communities of Organisms

Ecosystems

Homeostasis, Reproduction, and Development

Digestive, Muscular, and Skeletal Systems

Circulatory, Respiratory, Urinary, and Nervous Systems

Endocrine and Immune Systems

Plant Physiology

Applying the Science

Filters