00:01
We have three chief principles that we follow when we think about the theory of evolution by natural selection.
00:15
First one is that if you have two communities, let's make it a black square and a red circle.
00:34
The red circle community, and these are the same individuals, well, these are the same type of individuals, so the same people.
00:41
We can call them humans in this thing.
00:42
The people in the red circle population and the people in the black square population are going to be different from one another.
01:14
Number two, if two squares was two triangles, two red triangles, had a baby, you more would expect the offspring to also be a red triangle...