00:01
Let's talk about how to read an evolutionary tree.
00:03
So we're starting with this original, whatever, little bacterium.
00:06
This is going to be our start of our evolutionary line that we're looking at here.
00:11
So as we continue along, we can take different paths.
00:14
You can go over here to this guy, or you can keep going over here to these guys over here.
00:20
So a section of the evolutionary tree as it's continuing along, like this here, this would be a clade, c -l -a -d -e.
00:29
That's like a section of the evolutionary tree.
00:32
This little grouping of creatures over here, and another clade could be noted as such over here.
00:39
Here we have a node...