Ch 29: Humans and the Environment

About This Chapter

Enjoy your study sessions with this chapter full of animated video lessons about humans and their effects on the environment. Afterwards, you can complete short multiple-choice quizzes to make sure you've retained the material.

Humans and the Environment - Chapter Summary

This chapter will provide you with fun and short video lessons about the effect of fossil fuels and greenhouse gases on Earth, physical and chemical pollution, habitat destruction and other human factors that endanger the planet, and other subjects! When you've completed the lessons, you can take short quizzes that test how well you've understood them. Additional subjects in this chapter include the following:

  • Deforestation and decreasing biological diversity
  • Over-exploitation of humans
  • Effects of humans on the environment
  • Foundations and goals of ecology restoration

Use the video tags to travel to different subjects in the videos. This chapter is mobile-friendly and allows you to take it wherever you go. Take a peek at the lesson transcripts for highlighted keywords. Any questions you have can be sent straight to the instructors.

7 Lessons in Chapter 29: Humans and the Environment
Test your knowledge with a 30-question chapter practice test
Fossil Fuels, Greenhouse Gases, and Global Warming

1. Fossil Fuels, Greenhouse Gases, and Global Warming

In this video lesson, you'll learn what roles fossil fuels and greenhouse gases play in global warming, as well as what life on Earth can expect due to rising carbon dioxide levels within Earth's atmosphere.

Pollution: Physical, Chemical & Biological

2. Pollution: Physical, Chemical & Biological

Pollution is the presence of unwanted substances in an environment. It is often the result of human interference. Learn about physical, chemical and biological pollutants and see examples of each.

Pollution and Habitat Destruction: The Human Factors Contributing To Endangerment & Extinction

3. Pollution and Habitat Destruction: The Human Factors Contributing To Endangerment & Extinction

In this lesson you will learn about two ways humans contribute to species extinction. We break up habitats by building roads and clearing land, and we pollute both land and water. You will also learn about the specific terms used to describe the processes, habitat fragmentation and anthropogenic pollution.

Deforestation, Desertification & Declining Biological Diversity

4. Deforestation, Desertification & Declining Biological Diversity

When trees are lost due to deforestation, the result can be a drier climate and desertification or the transformation of the once fertile land to desert. Learn how deforestation and desertification can lead to a decline in biological diversity.

Over-Exploitation: How Humans Affect Ecosystems By Decreasing Species Populations

5. Over-Exploitation: How Humans Affect Ecosystems By Decreasing Species Populations

In this lesson, you'll learn how humans overexploit or overharvest species. You will discover the primary way in which humans are responsible for overfishing. You will also learn about how this negatively impacts ecosystems.

Human Impacts on the Environment

6. Human Impacts on the Environment

The human population continues to grow, but the size of Earth and the resources available for our use are limited. Humans greatly impact the world around them, and our actions can and often do have dramatic and long-lasting consequences.

Ecology Restoration: Foundations, Projects and Goals

7. Ecology Restoration: Foundations, Projects and Goals

In this lesson you will learn how humans have damaged various ecosystems on the planet and how a branch of ecology, restoration ecology, aims to restore these ecosystems. You will discover the main goal of restoration ecology as well as some of the ways habitats are restored.

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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