SciShow
6 Species Unlike Anything Else | Evolutionary Loners
What happens when a species is the only of its kind? This phenomenon is called a monospecific taxon. Studying these special species can help us better understand not just those sparse groups, but all life on this planet! Join Olivia...
SciShow
What is Taxonomy and Why is it So Complicated?
The classification of animal groups is essential to the the development of modern biology—but it's extremely complicated. Trying to shoehorn the messy, complicated web of interrelationships that is biology into neat boxes has resulted in...
SciShow
6 Lonely Branches on the Tree of Life
When there’s only one species on an evolutionary branch, we call it a monospecific taxon. Studying these special species can help us better understand not just those sparse groups, but all life on this planet. Chapters Homo sapiens 0:53...
SciShow
The Tree of Life Is Messed Up
Taxonomy is a powerful tool, and one that modern biology wouldn't be able to function without. But trying to shoehorn the messy, complicated web of interrelationships that is biology into neat boxes has resulted in a pretty messy tree of...
SciShow
The First Robot Swarm, and Evolution's Misfit
Hank shares the nuts-and-bolts of the world’s first robot swarm, and explains what the creepy, cute and extinct animal known as Hallucigenia can teach us about evolution.
SciShow
There Are Crystal Mirrors Hidden in Scallop Eyes
Sea creatures abound this week, as scientists make discoveries about scallop eyes and use models to help figure out the age old mystery, "Which came first, comb jellies or the sea sponge?”
SciShow
The Baffling Viruses That Infect... Other Viruses
Scientists have discovered viruses that infect viruses... virusception, if you will. Does this mean viruses qualify as life yet? Or are they still hanging out in the misfits drawer with sporks and Pluto?
Crash Course
Taxonomy: Life's Filing System - Crash Course Biology
Hank tells us the background story and explains the importance of the science of classifying living things, also known as taxonomy.
Food Farmer Earth
Alan Kapuler: Kinship Garden and Greenhouse Tour
Research scientist and public domain plant breeder, Alan Kapuler, who prefers to be called “mushroom”, takes us on a tour of his exotic greenhouse, a 21-year biodiversity experiment in Corvallis, Oregon, he refers to as Kinship Gardens.
Professor Dave Explains
Phylogeny and the Tree of Life
Alright, we've learned about how unicellular organisms came to be, how they became multicellular, and then from those how evolution by natural selection produced all the species in the world today. But there are so many! Millions and...
Professor Dave Explains
Introduction to Zoology: What are Animals?
It's time to learn all about animals! And we aren't just talking about cats and dogs here, did you know that sea sponges and corals are also animals? It's a very diverse kingdom, that Animalia! It even includes us humans. So what defines...
Curated OER
Taxonomy and the Tree of Life
Mr. Khan explains with pictures and diagrams Carl Linneaus' taxonomy system and the biological tree of life. He mentions that the debate still continues regarding how to classify organisms and that newer technology that examines DNA is...
Khan Academy
Khan Academy: Biology: Taxonomy and the Tree of Life
An explanation of the biological classification of organisms. [12:41]
Khan Academy
Khan Academy: Discovering the Tree of Life
Discover the link between evolutionary trees and biodiversity. [7:49]
Khan Academy
Khan Academy: Understanding and Building Phylogenetic Trees
Learn how to read and draw phylogenetic trees, or cladograms. [10:57]
Khan Academy
Khan Academy: Tree of Life: Human Prehistory 101 Part 1: Out of (Eastern) Africa
Second in a series of videos that introduces human prehistory, this video describes how our human ancestors spread throughout Africa and then into other regions such as Australia and Europe. How did they reach Australia so early on? What...
Khan Academy
Khan Academy: Tree of Life: Human Prehistory 101: Epilogue
A video investigating the migration of people from continents to continents. [2:45]
Khan Academy
Khan Academy: Tree of Life: Human Prehistory 101: Prologue
Award winning video introduces human prehistory starting over 200,000 years ago. Who were our first human ancestors? Where did they live?
Khan Academy
Khan Academy: Tree of Life: Human Prehistory 101 Part 2: Weathering the Storm
Third in a series of videos that introduces human prehistory, this video describes how early humans continued to defy the odds and populated the Americas during the last Ice Age. [3:25]
Crash Course
Crash Course Mythology #34: Mythical Trees
Mike Rugnetta is teaching you about mythical trees. There are lots of trees in myth, and we've touched on some of them before, but today we're going to focus on three trees from three different traditions. We'll talk about the Tree of...
Khan Academy
Khan Academy: Evolution: Taxonomy and the Tree of Life
The science of taxonomy and where humans fit into the tree of life. [12:40]
Khan Academy
Khan Academy: Evolution: Discovering the Tree of Life
Discover the link between evolutionary trees and biodiversity. [7:49]
Khan Academy
Khan Academy: Evolution: Understanding and Building Phylogenetic Trees
Learn how to read and draw phylogenetic trees, or cladograms. [10:56]