Ch 24: Glencoe Biology Chapter 24: Introduction to Animals

About This Chapter

The Introduction to Animals chapter of this Glencoe Biology companion course helps students learn the essential lessons of animal biology. Each of these simple and fun video lessons is about five minutes long and is sequenced to align with the Introduction to Animals textbook chapter.

How it works:

  • Identify the lessons in Glencoe Biology's Introduction to Animals chapter with which you need help.
  • Find the corresponding video lessons within this companion course chapter.
  • Watch fun videos that cover the animal biology topics you need to learn or review.
  • Complete the quizzes to test your understanding.
  • If you need additional help, re-watch the videos until you've mastered the material or submit a question for one of our instructors.

Students will learn about:

  • The evolution of animals
  • Animal reproduction and development
  • Animal body plans
  • Characteristics of parazoa
  • Characteristics of radiata

Glencoe Biology is a registered trademark of McGraw-Hill, which is not affiliated with Study.com.

5 Lessons in Chapter 24: Glencoe Biology Chapter 24: Introduction to Animals
Test your knowledge with a 30-question chapter practice test
The Evolution of Animals: Importance & Evolutionary History

1. The Evolution of Animals: Importance & Evolutionary History

The animal kingdom ranges from simple organisms like sponges to complex organisms like humans. We will look at some defining characteristics of animals as well as examples of both invertebrates and vertebrates.

Overview of Animal Reproduction and Development

2. Overview of Animal Reproduction and Development

At this stage in life, you likely know where babies come from. However, did you know that some animals can make clones of themselves and reproduce sexually too? In this lesson, you'll learn more about sexual reproduction and early vertebrate development.

Animal Body Plans: Classifications and Features

3. Animal Body Plans: Classifications and Features

The Animal Kingdom is diverse and complex. How do we make sense of it all? Scientists use body plans to classify and organize the animals of Earth, making it much easier to differentiate between them.

Parazoa: Definition and Characteristics

4. Parazoa: Definition and Characteristics

The sub-kingdom Parazoa is a special group of animals that are unlike any other. In this video lesson, you'll learn about the characteristics of Parazoans and identify what makes them a unique section of the Animal Kingdom.

Radiata: Definition and Characteristics

5. Radiata: Definition and Characteristics

The super-phylum Radiata describes a unique and interesting group of animals. In this video lesson you'll identify various animals that belong in this classification as well as describe the characteristics that make them so identifiable.

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

Earning College Credit

Did you know… We have over 160 college courses that prepare you to earn credit by exam that is accepted by over 1,500 colleges and universities. You can test out of the first two years of college and save thousands off your degree. Anyone can earn credit-by-exam regardless of age or education level.

To learn more, visit our Earning Credit Page

Transferring credit to the school of your choice

Not sure what college you want to attend yet? Study.com has thousands of articles about every imaginable degree, area of study and career path that can help you find the school that's right for you.

Other Chapters

Other chapters within the Glencoe Biology: Online Textbook Help course

Support