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Ch 15: Holt McDougal Biology Chapter 15: The Biosphere

About This Chapter

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

How It Works:

  • Identify the lessons in the Holt McDougal The Biosphere chapter with which you need help.
  • Find the corresponding video lessons with this companion course chapter.
  • Watch fun videos that cover the biosphere 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:

  • The four geological subsystems
  • Types of climates
  • Definitions of various types of biomes, such as desert and grassland
  • The differences between ocean and freshwater biomes

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

6 Lessons in Chapter 15: Holt McDougal Biology Chapter 15: The Biosphere
Earth's 4 Major Geological Subsystems

1. Earth's 4 Major Geological Subsystems

When we think of the Earth, we mainly think of the physical land we stand on. The Earth system is much more complex and is comprised of four major geological subsystems that interact to carry out many natural processes.

Climate Classifications & Their Global Distribution

2. Climate Classifications & Their Global Distribution

Earth has many climates, but we can categorize them based on common characteristics. In this video lesson you will identify the 5 major climate classifications on Earth, as well as where on Earth these climates are found.

Biomes: Desert, Tropical Rainforest, Savanna, Coral Reefs & More

3. Biomes: Desert, Tropical Rainforest, Savanna, Coral Reefs & More

Take a trip around the world and learn all about different biomes. Why can you only find certain plants and animals in specific places? What are the most fertile climates on Earth? Watch on to answer these and other questions.

Biomes: Tundra, Taiga, Temperate Grassland, and Coastlines

4. Biomes: Tundra, Taiga, Temperate Grassland, and Coastlines

Take a trip with us in this lesson, starting in the Pacific Ocean, traveling across California through the Central Valley and up to the peaks of the Sierra Nevada mountains. We'll learn how oceans, elevation, and people can determine which types of biomes are found in different areas and check out the Earth's most massive and oldest organisms.

Open Ocean Biome: Plants, Animals, Climate & Definition

5. Open Ocean Biome: Plants, Animals, Climate & Definition

Seventy-one percent of the surface of our planet is covered by the oceans. It should be no surprise that the open ocean biome is the largest biome on Earth. In this lesson, we will investigate the properties and inhabitants of the open ocean biome.

Freshwater Biomes: Climate, Locations, Plants & Animals

6. Freshwater Biomes: Climate, Locations, Plants & Animals

Freshwater biomes are very important to life on Earth. They are home to many different species and provide a lot of resources. In this lesson, we will go over what a freshwater biome is, where they are located, and the different plants and animals that inhabit them.

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