For thousands of years scientists have named and categorized the vast array of life on Earth. This series of videos highlights the major advances concerning the classification of life, more specifically focusing on current trends in...

For thousands of years scientists have named and categorized the vast array of life on Earth. This series of videos highlights the major advances concerning the classification of life, more specifically focusing on current trends in...

This series of videos explores the fascinating characteristics of nonvascular land plants as well as some of the simpler vascular plants. An in-depth look at mosses, hornworts, and liverworts serves as the topic of study for the...

After we learn chemistry and biochemistry, we are ready for biology! In this course we extend our understanding of molecules to encompass an entire cell and everything inside it. This is a huge step in complexity, and we will even talk...

For thousands of years scientists have named and categorized the vast array of life on Earth. This series of videos highlights the major advances concerning the classification of life, more specifically focusing on current trends in...

In this video, students learn about the different ways that plants and animals obtain food. The video also introduces the concepts of producers, consumers, and decomposers, highlighting their important roles in...

Bacteria are the most abundant living things on the planet. In fact there are more bacteria in your mouth than there are vertebrates on the planet. This fascinating series of videos explores the wide-ranging forms and characteristics of...

This video explores the great diversity of the plant world, and the early history and origins of plants. Bryophytes, spore-producing plants, gymnosperms, and angiosperms are illustrated and explained. Other terminology includes: algae,...

The diverse groups of microorganisms in the Kingdom Protista are illustrated in this video. Microscopic views compare the main categories of protists. the different phyla of algae are also discussed. Other terminology includes: protozoa,...

Students will learn about the discovery of cells, the development of the cell theory, and the differences between animal cells and plant cells, Animations illustrate the different parts of a cell. Other terminology includes: organelles,...

This video explains how ecologists use diagrams to illustrate the feeding relationships between organisms in an ecosystem. It introduces the concept of a food chain and highlights the complexity of natural ecosystems by introducing the...

The video is about the different components of an ecosystem, specifically the biotic components, which include all living things in an area. The video provides examples of different populations and communities, such as monarch and tiger...

This program explores the major features of earth's amazing biosphere. Students are introduced to the biotic and abiotic components found in an ecosystem. Footage from throughout the world illustrates how ecosystems can change over time....

The Effects of Disturbances on Ecosystems: This Clip gives examples of how disturbances - both large and small - affect ecosystems and their reestablishment.

This video provides a brief history of the cell theory, including developments by Robert Hooke's, Antonie van Leeuwenhoek, Theodor Schwann, and Rudolf Virchow. This video is part of the 7-part series, Cells.

Almost all life either directly or indirectly depends on one of the most important biological processes on the planet - photosynthesis. Through easy-to-understand graphics and colorful animations, the complex chemical process of...