There is a continuum, but it's primarily over time. Everything seems separate because you're not looking at the dimension over which it connects. If you only lo

There is a continuum, but it's primarily over time. Everything seems separate because you're not looking at the dimension over which it connects. If you only looked at the horizontal cross-section of a tree above the trunk, you might similarly ask "how can this be one plant when none of the parts are connected?". Well, they are. You just aren't going to see the connection in that slice.