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Ch 53: Campbell Biology Chapter 53: Population Ecology

About This Chapter

The Population Ecology chapter of this Campbell Biology Companion Course helps students learn the essential lessons associated with population ecology. Each of these simple and fun video lessons is about five minutes long and is sequenced to align with the Population Ecology textbook chapter.

How It Works:

  • Identify the lessons in the Campbell Biology Population Ecology chapter with which you need help.
  • Find the corresponding video lessons with this companion course chapter.
  • Watch fun videos that cover the population ecology topics you need to learn or review.
  • Complete the quizzes to test your understanding.
  • If you need additional help, rewatch the videos until you've mastered the material or submit a question for one of our instructors.

Students will learn:

  • What survivorship curves show
  • How to calculate population growth
  • The role of natural selection in life history traits
  • Factors that impact population density and change
  • Issues studied in population dynamics
  • Periods of human population growth
  • Major factors that influence population size

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8 Lessons in Chapter 53: Campbell Biology Chapter 53: Population Ecology
Test your knowledge with a 30-question chapter practice test
Populations: Density, Survivorship and Life Histories

1. Populations: Density, Survivorship and Life Histories

Have you ever wondered how biologists determine the populations of animals in a particular geographic area? Watch this video lesson to find out, and discover how scientists look at the survivorship and life histories of many different species.

Calculating Rate and Exponential Growth: The Population Dynamics Problem

2. Calculating Rate and Exponential Growth: The Population Dynamics Problem

You know how the world population keeps increasing? It's increasing faster now than it was 100 or 1,000 years ago. In this lesson, learn how differential equations predict this type of exponential growth.

Logistic Population Growth: Equation, Definition & Graph

3. Logistic Population Growth: Equation, Definition & Graph

Populations tend to get larger until there is no longer enough food or space to support so many individuals. This type of growth is called logistic population growth, and you can learn more about it in this lesson.

Life History Theory & the Role of Natural Selection in Traits

4. Life History Theory & the Role of Natural Selection in Traits

Natural selection doesn't just influence an organism's physical traits, it also influences their life history traits. In this lesson, we'll explore various life history patterns and how they are shaped by different environmental demands.

Factors that Lead to Population Change & Density

5. Factors that Lead to Population Change & Density

Can a population keep growing forever and ever? The answer is no. But do you know why that's the case? Here you'll learn the many factors at play in population changes stemming from population density.

Population Dynamics in Ecology: Definition & Concepts

6. Population Dynamics in Ecology: Definition & Concepts

In this lesson, we look at how population is an ecological concept just as it is a sociological one. We will look at wildlife populations by comparing them to human social actions and define key concepts for understanding population from an ecological perspective.

The History of Human Population Growth and Carrying Capacity

7. The History of Human Population Growth and Carrying Capacity

Most of us are used to the current size of the human population but it was not always this large. In this lesson, we will explore the history of human population growth and the future of its growth.

The Human Population: Factors that Affect Population Size

8. The Human Population: Factors that Affect Population Size

The human population is constantly changing. In this lesson, we will explore the factors that cause increases and decreases in the human population, including births, deaths, immigration, and emigration.

Chapter Practice Exam
Test your knowledge of this chapter with a 30 question practice chapter exam.
Not Taken
Practice Final Exam
Test your knowledge of the entire course with a 50 question practice final exam.
Not Taken

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