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Ch 23: Praxis Biology & General Science: Classification of Organisms

About This Chapter

Let us teach you about classification of organisms. The video lessons and self-assessment quizzes in this chapter can help you answer questions about diversity of life, plants and animals on the Praxis II: Biology and General Science test.

Classification of Organisms - Chapter Summary

Learn about taxonomy - the process of classifying and naming living things - through this online chapter on classification of organisms. Our set of brief video lessons also can teach you to differentiate between asexual and sexual reproduction. Other lessons in this chapter, which can serve as a study guide for the Praxis II: Biology and General Science test, cover the following:

  • Cladograms and phylogenetic trees: Evolution classifications
  • Evolution of prokaryotes: Archaebacteria and eubacteria
  • Evolution of protists: Importance and evolutionary history
  • Evolution of plants and fungi: Characteristics and evolutionary history
  • Evolution of animals: Importance and evolutionary history
  • Evolution of humans: Characteristics and evolutionary history

Classification of Organisms Objectives

The Praxis II is a standardized test used by the majority of states in its certification process for public high school teachers. There are numerous versions of the Praxis II, depending on the subject area you plan to teach. The biology and general science test is made up of 120 multiple-choice questions. The largest portion of this test - about 17% - focuses on diversity of life, plants and animals and might include questions about classification of organisms.

The professional educators who designed this chapter aimed to make the learning experience engaging and easy to follow. The video lessons typically can be watched in less than 10 minutes, and the brief self-assessment quizzes are presented in multiple-choice format, just like the Praxis II.

7 Lessons in Chapter 23: Praxis Biology & General Science: Classification of Organisms
Test your knowledge with a 30-question chapter practice test
Taxonomy: Classification and Naming of Living Things

1. Taxonomy: Classification and Naming of Living Things

The name you give to a living thing may be completely different than the name someone else uses. In science, we use a common naming system for all living things to avoid confusion. This lesson will explore the basics of our classification system.

Cladograms and Phylogenetic Trees: Evolution Classifications

2. Cladograms and Phylogenetic Trees: Evolution Classifications

Family trees help show how people are related to each other. Similarly, scientists use cladograms and phylogenetic trees to study the relationships between organisms.

The Evolution of Prokaryotes: Archaebacteria and Eubacteria

3. The Evolution of Prokaryotes: Archaebacteria and Eubacteria

The first living organisms on Earth were bacteria. These small organisms still exist today and are responsible for many things. In this lesson, we will explore both ancient bacteria and true bacteria.

The Evolution of Protists: Importance & Evolutionary History

4. 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.

The Evolution of Animals: Importance & Evolutionary History

5. 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.

The Evolution of Humans: Characteristics & Evolutionary History

6. The Evolution of Humans: Characteristics & Evolutionary History

Just like other organisms, humans have changed over time. We will look at the evolution of humans as well as connections with our primate relatives, including Old World and New World primates.

Asexual vs. Sexual Reproduction: Comparison & Characteristics

7. Asexual vs. Sexual Reproduction: Comparison & Characteristics

Did you know that some organisms can reproduce without a mate? Check out this video lesson on asexual versus sexual reproduction to discover the different ways organisms can reproduce and the main differences between mitosis and meiosis.

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 Praxis Biology and General Science: Practice and Study Guide course

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