So this is our human starting point.

所以这就是我们人类的起点。

If you look at earth today, you'll find that there are seven point four billion humans living on it including you right now watching this video.

如果你看看今天的地球，你会发现有 74 亿人生活在地球上，包括现在正在观看这期视频的你。

And they also, and perhaps most pertinently from the human point of view, found evidence for one other part of such a food web: the decomposers.

分解者。