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Ch 35: Diversity & Classifications in Biology

About This Chapter

Use these video and text lessons to help you master diversity and classifications in biology. Whether you need help with class performance, homework assignments or test prep, these lessons can be a powerful tool in your toolbox.

Diversity & Classifications in Biology - Chapter Summary

As you work through this chapter, you'll study the systems used in biology to identify and classify living things. You can learn more about the domains of life, the kingdoms of living things, and the characteristics of protists, viruses and other single-celled organisms. Further, you will examine the evolution of chordates, and identify the traits that characterize bryophytes and gymnosperms. By the end of the chapter, you should know how to:

  • Understand how biodiversity is connected to the stability of an ecosystem
  • Describe mutualism and biomass
  • Name the three domains and five kingdoms of life
  • Define taxonomic classification systems and binomial nomenclature
  • Identify monerans, protista, fungi, viruses and prions
  • Discuss the characteristics and types of gymnosperms and bryophytes
  • Explain how chordates evolved

Short, lively, and cleverly written videos, coupled with well-presented text lessons, assessment quizzes and a chapter test make this study guide a comprehensive and powerful study tool. The video timeline allows you to skip directly to parts that you want to view and bypass any that you don't, so you can study selectively and effectively. Highly-qualified instructors and subject matter specialists are always available, so help is only a mouse-click away.

14 Lessons in Chapter 35: Diversity & Classifications in Biology
Test your knowledge with a 30-question chapter practice test
What is Biodiversity? - Definition and Relation to Ecosystem Stability

1. What is Biodiversity? - Definition and Relation to Ecosystem Stability

Imagine making a list of all of the species you have ever heard of; it would be an enormous list! There are many different species on this planet. This lesson will explore the diversity of species, as well as the different types of diversity and how diversity of life is essential for maintaining healthy ecosystems.

Mutualism: Examples & Definition

2. Mutualism: Examples & Definition

There are many types of relationships in nature. This lesson explores mutualism, a type of symbiotic relationship between two organisms. These fascinating relationships are like survival partnerships between species.

What Is Biomass? - Definition & Explanation

3. What Is Biomass? - Definition & Explanation

In this lesson, you'll learn what ecologists use to quantify the amount of matter in an ecological community. This often relates to the amount of energy being produced by various parts of that community.

Taxonomy: Classification and Naming of Living Things

4. 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.

The Three Domains of Life

5. The Three Domains of Life

Biology is a rather mysterious thing. How are we related to fish? How can you say we are related to amoebas? We will explore the idea of taxonomy here, sticking with the most generalized concept, the domain.

Binomial Nomenclature: Definition, Classification & System

6. Binomial Nomenclature: Definition, Classification & System

Life on Earth is incredibly diverse, with over one million species. But have you ever wondered how all these organisms are named? In this lesson, you'll learn about the scientific naming system called binomial nomenclature.

What are the Kingdoms of Life?

7. What are the Kingdoms of Life?

In this lesson, we'll be exploring the wide world of living things. Today, you'll learn the largest category for classifying living organisms, the five kingdoms of life. We'll look at what type of organisms are classified in each kingdom and the criteria scientists use to sort them.

Monerans: Definition, Examples & Types

8. Monerans: Definition, Examples & Types

In this lesson you'll learn about monerans, the group of organisms that bacteria belong to. Discover the name's history and the function(s) of different types of bacteria in the environment.

Kingdom Protista: Definition, Characteristics & Examples

9. Kingdom Protista: Definition, Characteristics & Examples

Learn about the requirements to enter Kingdom Protista, one of the five kingdoms of life. Discover and read about the organisms that can be found there.

What are Fungi? - Types and Characteristics

10. What are Fungi? - Types and Characteristics

In this lesson, we will examine the group of organisms known as the fungi. This group includes the familiar organisms mushrooms, yeasts and molds. We will look at several major characteristics of fungi, as well as a few disease-causing fungi.

Infectious Agents: Viruses, Viroids & Prions

11. Infectious Agents: Viruses, Viroids & Prions

While we tend to think of things that can actively kill us as being living entities, the fact is that non-living entities can actively kill us, as well. This lesson explores some of those entities, including viruses, viroids, and prions.

Gymnosperms: Characteristics, Definition & Types

12. Gymnosperms: Characteristics, Definition & Types

In this lesson, we will explore gymnosperms, which are a unique group of plants that do not have bright flowers or seeds that are protected in fruit. We will examine types of them as well as their characteristics and the way they reproduce.

Bryophytes: Definition, Types, Characteristics & Examples

13. Bryophytes: Definition, Types, Characteristics & Examples

You may be familiar with green moss growing on a rock. Moss is a bryophyte, a type of nonvascular plant found near fresh water. This lesson describes bryophytes, including mosses, liverworts, and hornworts.

Evolution of Chordates

14. Evolution of Chordates

Chordates are a diverse and interesting group of animals. You might be surprised to find out what belongs to phylum Chordata, so check out this lesson to learn more about what sets them apart and what keeps them together.

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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