
Building a phylogenetic tree (article) | Khan Academy
In this article, we'll look at the basic methods and logic used to build phylogenetic trees, or trees that represent the evolutionary history and relationships of a group of organisms.
Phylogenetic trees | Evolutionary tree (article) | Khan Academy
In this article, we'll take a look at phylogenetic trees, diagrams that represent evolutionary relationships among organisms. We'll see exactly what we can (and can't!) infer from a phylogenetic tree, as well …
Understanding and building phylogenetic trees - Khan Academy
Constructing a phylogenetic tree involves hypothesizing evolutionary relationships among species based on observable traits and genetic evidence. By practicing parsimony, we aim for the simplest …
Phylogeny review (article) | Evolution | Khan Academy
To create a phylogenetic tree, scientists often compare and analyze many characteristics of the species or other groups involved. Although this may include internal and external physical traits, it can also …
Phylogeny (practice) | Evolution | Khan Academy
Based on the phylogenetic tree above, what species is most related to the blue whale?
Phylogenetic trees (article) | Khan Academy
A phylogenetic tree, also known as a cladogram, is a diagram that shows how different living things are related. Phylogenetic trees may show the relationships between species or between larger groups.
Discovering the tree of life (video) | Khan Academy
Scientists use that tree metaphor to depict actual relationships among organismal groups in a branching diagram, but how do you make that diagram, what do you need to know that will allow us to …
Solving problems with phylogenetic trees - Khan Academy
As a consequence, the health sciences, forensics, and bioprospecting industries all rely on phylogenetic sequence analysis. The following are several examples of this powerful approach at work.
Phylogenetic trees (article) | 3rd quarter | Khan Academy
A phylogenetic tree, also known as a cladogram, is a diagram that shows how different living things are related. Phylogenetic trees may show the relationships between species or between larger groups.
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