Ch 26: Introduction to Invertebrates: Homework Help

About This Chapter

The Introduction to Invertebrates chapter of this High School Biology Homework Help course helps students complete their invertebrates homework and earn better grades. This homework help resource uses simple and fun videos that are about five minutes long.

How it works:

  • Identify which concepts are covered on your invertebrates homework.
  • Find videos on those topics within this chapter.
  • Watch fun videos, pausing and reviewing as needed.
  • Complete sample questions and get instant feedback.
  • Finish your invertebrates homework with ease!

Topics from your homework you'll be able to complete:

  • Classifications and features of animal bodies
  • Parazoa
  • Radiata
  • Protostomes and deuterostomes

7 Lessons in Chapter 26: Introduction to Invertebrates: Homework Help
Test your knowledge with a 30-question chapter practice test
Animal Body Plans: Classifications and Features

1. 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

2. 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

3. 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.

Protostomes: Definition and Characteristics

4. Protostomes: Definition and Characteristics

Though you may not be able to tell just by looking at them, protostomes are an evolutionarily related group based on shared characteristics of their body plans. In this lesson, you will identify these characteristics, as well as see examples of the variety of animals this group encompasses.

Deuterostomes: Definition and Characteristics

5. Deuterostomes: Definition and Characteristics

Deuterostomes, like tunicates and urchins, are amazing creatures that are classified together because they share aspects of their evolutionary pasts. In this lesson, you'll identify these characteristics and see what makes this group of animals unique.

Chitin: Definition, Structure & Function

6. Chitin: Definition, Structure & Function

Although you may have never heard of it, chitin is abundant in nature. It's also become very useful to people. What is chitin? What animals have chitin? How do people use chitin? Find the answers here.

Types of Chordata Body Symmetry

7. Types of Chordata Body Symmetry

In this lesson, you will explore a group of organisms known as chordates. You'll learn about their general features and also examine what type of symmetry they have.

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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Other Chapters

Other chapters within the High School Biology: Homework Help Resource course