The cell is the basic unit of life, and our understanding of it has advanced as science, and the tools available to scientists, has advanced. In this episode of Crash Course Biology, we’ll take a look at the difference between...

Oxygen is pretty great stuff, but this recently discovered organism couldn’t care less about oxygen. It breathes nitrogen and may offer a window into how the types of cells in OUR bodies may have evolved billions of years ago.

It turns out life may have gotten its start pretty early in Earth's history, and while the first couple billion years saw several important developments, the period was still dominated by very simple life forms. This is our first...

Oxygen is pretty great stuff, but this recently discovered organism couldn’t care less about oxygen. It breathes nitrogen and may offer a window into how the types of cells in OUR bodies may have evolved billions of years ago.

This Amoeba Sisters video starts with providing examples of prokaryotes and eukaryotes before comparing and contrasting prokaryotic cells with eukaryotic cells! Contents: 00:00 Intro 1:27 Modern Cell Theory 1:37 3 Domains (with examples...

Researchers might have discovered the 2 oldest plant-like fossils this week! Meanwhile, scientists learned more about another superpower of our favorite organism: tardigrades.

Paul Andersen starts with a brief description of the history of life. He then discusses the seven characteristics of life and why viruses are not alive. He then describes the three domains in the current classification system and...

Paul Andersen surveys organisms in the protists. He reviews the diversity found within the domain Eukarya and explains that the Kindgom Protista is simple a junk drawer for organisms that don't fit elsewhere.

Join Hank Green to learn ten weird, scary, and amazing things fungi can do!

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Hank introduces us to the "simplest" of the animals, complexity-wise: beginning with sponges (whose very inclusion in the list as "animals" has been called into question because they are so simple) and finishing with the most complex...

Hank veers away from human anatomy to teach us about the (mostly) single-celled organisms that make up two of the three taxonomic domains of life, and one of the four kingdoms: Archaea, Bacteria, and Protists. They are by far the most...

Hank describes why plants are so freaking amazing - discussing their evolution, and how their cells are both similar to & different from animal cells.

Paul Andersen takes you on a tour of the cell. He starts by explaining the difference between prokaryotic and eukaryotic cells. He also explains why cells are small but not infinitely small. He also explains how the organelles work...

Hank tells us about the city of Eukaryopolis - the animal cell that is responsible for all the cool things that happen in our bodies.

This video compares different types of cells, including plant, animal, prokaryotic, and eukaryotic.

The cycle of events involved in normal cell growth and division, in multicellular organisms.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and concise...

The Cell defines the term cell by explaining that a cell is the basic unit of structure and function of all living things.

The Prokaryotic Cell examines a prokaryotic cell by describing its structure.

A video entitled “Cells: How Can Something Small Have a Large Impact?” which explores the two types of cells and how they function to create and affect life in a variety of ways.

A video entitled “Understanding Cells” which introduces cellular biology by discussing the differences between basic cell types and introducing the topic of cell division.

This video is a review of the topics covered in the Classifying Monerans and Protists series. In this video, we explore the fascinating characteristics of Monarrans (bacteria) and Protists. We discuss the classification process and...

Restriction Enzyme Set: 2. This clip explains the way in which enzymes clip DNA at specific points. The value of restriction enzymes in DNA is presented.

This live-action video program is about the word protists. The program is designed to reinforce and support a student's comprehension and retention of the word protists through use of video footage, photographs, diagrams and colorful,...

Meiosis Set: 1. This clip offers an overview of the process of meiosis.