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Ch 19: Holt McDougal Biology Chapter 19: Protists & Fungi

About This Chapter

The Protists & Fungi chapter of this Holt McDougal Biology Companion Course helps students learn the essential lessons associated with protists and fungi. Each of these simple and fun video lessons is about five minutes long and is sequenced to align with the Protists & Fungi textbook chapter.

How It Works:

  • Identify the lessons in the Holt McDougal Protists & Fungi chapter with which you need help.
  • Find the corresponding video lessons with this companion course chapter.
  • Watch fun videos that cover the protists and fungi 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 about:

  • The evolution and significance of protists
  • The characteristics of protozoa
  • The definition and structure of algae
  • Types of fungus-like protists
  • The diversity of various fungi groups
  • Fungi's positive and negative ecological effects

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6 Lessons in Chapter 19: Holt McDougal Biology Chapter 19: Protists & Fungi
The Evolution of Protists: Importance & Evolutionary History

1. The Evolution of Protists: Importance & Evolutionary History

Some organisms are very familiar. However, there are some that play vital roles in our lives that we don't even think about. We will look at a group of one of these unfamiliar kingdoms - protists.

What are Protozoa? - Definition, Characteristics & Examples

2. What are Protozoa? - Definition, Characteristics & Examples

Taxonomy is the realm of science that attempts to group similar organisms together, which is not always an easy task. In this lesson, we will examine the protozoa, a diverse group of organisms that didn't really fit anywhere else.

What is Algae? - Definition, Characteristics & Examples

3. What is Algae? - Definition, Characteristics & Examples

Plants are not the only organisms capable of carrying out photosynthesis. In this lesson we will look at algae and how an algal species can be differentiated from other organisms and microbes.

Fungus-Like Protists: Characteristics, Types & Examples

4. Fungus-Like Protists: Characteristics, Types & Examples

In this lesson, learn more about the invisible world of microscopic organisms through a discussion of our distant relatives: the fungus-like protists, slime molds, and water molds. When you are through, take the brief quiz to test your understanding.

The Diversity of Fungi

5. The Diversity of Fungi

The Fungi Kingdom is unique and quite diverse. In this video lesson, you'll learn about the different groups of fungi and see how fungi are much more than just mushrooms and molds!

Ecological Effects of Fungi

6. Ecological Effects of Fungi

The Fungi Kingdom is very diverse. Many fungi species are beneficial, while others can pose risks to both the environment and us. In this video lesson, you will learn about some of the ways that fungi affect ecology and human health.

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