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
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...
PBS
Your Place in the Primate Family Tree
Purgatorius, a kind of mammal called a plesiadapiform, might've been one of your earliest ancestors. But how did we get from a mouse-sized creature that looked more like a squirrel than a monkey -- to you, a member of Homo sapiens?
Science Buddies
How to Use BLAST for Finding and Aligning DNA or Protein Sequences
This video tutorial is an easy step-by-step guide for using the NCBI BLAST bioinformatics tool for your genomic research. We walk you through how to do a nucleotide or protein BLAST and give you tips for interpreting your BLAST results....
Visual Learning Systems
The Classification of Organisms: Taxonomy
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...
Visual Learning Systems
The Classification of Organisms: Basis for Classification
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...
Science Friday Initiative
Science Friday: Amber Gives a Glimpse of Ancient India
Learn how biological specimens trapped in amber have given scientists a new look at India in this audio lecture. [12:42]
Bozeman Science
Bozeman Science: Comparing Dna Sequences
Paul Andersen shows you how to compare DNA sequences to understand evolutionary relationships. He starts with a brief introduction to cladograms and evolutionary relationships. He shows you how to classify DNA relationships using a...
CK-12 Foundation
Braingenie: Embryological Evidence for Evolution
[Free Registration/Login may be required to access all resource tools.] This video discusses the field of comparative embryology which helps scientists to identify evidence of evolutionary relationships between organisms. [2:07]
California Academy of Sciences
Ca Academy of Sciences: Science Heroes: Bob Drewes, Finding Unique Species
Dr. Robert Drewes, curator of herpetology at the Academy has led two multidisciplinary Academy expeditions to Sao Tome and Principe in past years. The Islands' biogeography presents a unique opportunity to witness evolutionary processes...