Answer the following essay questions in a

short paragraph. Each question is worth four points.

1.Compare and contrast directional selectionand disruptive selection,and provide an example of each.

2. Many pathogenic bacteria species are becoming resistant

to antibiotics. Explain how such adaptations can develop

through the process of natural selection. (Hint:Relate

this example to the conditions that are necessary for nat-

ural selection to occur.)

3. What are the major evolutionary trends that developed

among major vertebrate groups, specifically those that

allowed for the transition from aquatic to terrestrial life?

4. Providing examples, explain how sexual reproduction in

plants has evolved to become less dependent on water

Your examination for Lesson 5 consists of two parts. The

first part is a multiple-choice examination, which you’ll

access from your My Courses page. The second part is an

essay exam, which follows. Please type your answers into

a Word file and name the file 25085500.

Questions 1–4: Answer the following essay questions in a

short paragraph. Each question is worth four points.

1. Explain how human activities can cause an imbalance

in biogeochemical cycling and lead to problems such as

cultural eutrophication and fish kills.

2. Compare and contrast the traits and growth patterns of

opportunistic versus equilibrium populations.

3. Compare and contrast indirect versus direct values of

biodiversity, and provide examples.

4. Describe two traits that represent a sustainable society

and two traits of a non-sustainable society

Essay

Go to

and

read the instructions for research papers. Select a controversial

topic from the following choices, or contact your instructor if

you think of another topic.

Human stem cells

Genetically modified foods

Climate change

Cloning

Use of vaccinations

“Designer babies”

Consult resources other than the course textbook and this

study guide. Examples of resources include other textbooks,

journal articles, and reputable websites. Reputable online

sources include encyclopedias and university or governmental

websites. Prepare a detailed report on the topic, including the

following elements:

1. Describe the basic issue of your chosen topic.

2. Describe the basic argument of opposing viewpoints.

3. Identify the strengths and weaknesses of both views.

4. Choose which view you agree with.

5. Explain why you agree with that view.

Incorporate the information you learned about your chosen

topic from this course, but don’t limit your discussion to the

textbook and study guide. Take advantage of external resources

to provide an in-depth, comprehensive report.

Goal

This assignment is designed to help you apply what you’ve

learned from your lessons by researching and writing about

a controversial topic you’ve studied and to give you an oppor-

tunity to demonstrate your written communication and research

skills, as well as your critical thinking skills.

Writing Guidelines

1. Type your submission, double-spaced, in a standard

print font, size 12. Use a standard document format with

1-inch margins. (Do not use any fancy or cursive fonts.)

2. Include the following information at the top of your paper:

a. Name and complete mailing address

b. Student number

c. Course title and number (Introduction to

Biology, SCI 120)

d. Research project number (25088100)

3. Read the assignment carefully and address the topic

suggested. Use proper citation in either APA or MLA style.

4. Be specific. Limit your submission to the topic suggested.

5. Include a reference page in APA style. On this page, list

websites, journals, and all other references used in

preparing the submission.

6. Proofread your work carefully. Check for correct spelling,

grammar, punctuation, and capitalization.