Ch 25: Holt McDougal Modern Biology Chapter 25: Protists

About This Chapter

The Protists chapter of this Holt McDougal Modern Biology textbook companion course helps students learn the essential modern biology lessons of protists. Each of these simple and fun video lessons is about five minutes long and is sequenced to align with the Protists textbook chapter.

How it works:

  • Identify the lessons in the Holt McDougal Modern Biology Protists chapter with which you need help.
  • Find the corresponding video lessons within this companion course chapter.
  • Watch fun videos that cover the protist 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:

  • Evolutionary history of protists
  • Characteristics and types of protozoa
  • Characteristics of algae
  • Plant-like and fungus-like protists
  • Transmission and symptoms of giardia
  • Causes and symptoms of cryptosporidiosis
  • Transmission and symptoms of malaria
  • Symptoms and treatment of trichomoniasis

Holt McDougal Modern Biology is a registered trademark of Houghton Mifflin Harcourt, which is not affiliated with Study.com.

8 Lessons in Chapter 25: Holt McDougal Modern Biology Chapter 25: Protists
Test your knowledge with a 30-question chapter practice test
The Evolution of Protists: Importance & Evolutionary History

1. The Evolution of Protists: Importance & Evolutionary History

Learn about the evolution of protists and their importance. Look at how protists are defined, different types of protists, and why these unique organisms are important.

What are Protozoa? - Definition, Characteristics & Examples

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

As diverse microorganisms within a group, protozoa are organized into four different groups by their movement. Learn more about the definition of protozoa, including early problems with its classification, characteristics, and explore the four groups of protozoa through examples.

What is Algae? - Definition, Characteristics & Examples

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

Unlike plants, the eukaryotic microorganism Algae can't specialize tissue into features like flowers or roots. Discover the features of algae and its diverse types through examples from around the world.

What Are Algae Blooms? - Definition & Examples

4. What Are Algae Blooms? - Definition & Examples

An expeditious increase in the density of the algae resulting from sunlight and nutrient pollution creates an algae bloom. Learn its definition and effects as well as the different examples of types of algae blooms.

What is Giardia? - Causes, Transmission & Symptoms

5. What is Giardia? - Causes, Transmission & Symptoms

Giardia lamblia is an anaerobic protozoan parasite frequently found in water sources and transmitted to humans and other mammals. Learn about Giardia lamblia, Anton van Leeuwenhoek's discovery of Giardia, the lifecycle of a typical Giardia cell, Giardiasis (causes, symptoms, and transmission), and find out how Giardia can be diagnosed and treated today.

Cryptosporidiosis: Causes & Symptoms

6. Cryptosporidiosis: Causes & Symptoms

Cryptosporidiosis is an infection that typically leads to diarrhea. Learn the causes and symptoms of cryptosporidiosis, including the life cycle of cryptosporidium, the parasite responsible for cryptosporidiosis. Review how infection occurs and explore prevention methods, diagnosis, and treatment.

What is Malaria? - Causes, Transmission & Symptoms

7. What is Malaria? - Causes, Transmission & Symptoms

It is estimated that over 200 million people worldwide contract malaria each year, killing hundreds of thousands of vulnerable patients. Learn more about how plasmodium causes malaria, how the disease is transmitted, the symptoms of malaria, and how early diagnosis can save lives.

Trichomoniasis: Causes, Symptoms & Treatment

8. Trichomoniasis: Causes, Symptoms & Treatment

Trichomoniasis is a sexually transmitted disease (STD) caused by infection with a protozoan parasite called Trichomonas vaginalis. Learn about STDs, Trichomonas vaginalis and its lifecycle, and the causes, symptoms, diagnosis, treatment, and prevention of this disease.

Chapter Practice Exam
Test your knowledge of this chapter with a 30 question practice chapter exam.
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Practice Final Exam
Test your knowledge of the entire course with a 50 question practice final exam.
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