Not just how this or that particular organism is able to digest its food or is able to reproduce. Here’s another thing we’re not going to talk about. We’re not going to talk about complicated life forms. We’re not going to talk very much, in fact hardly at all, about ecology. This is just one such thing, the way that a parasite is able to, a tapeworm is able to infect people. This is, again, I’m showing you this not to say this is what we’re going to talk about, we’re not going to talk about that. We’re not going to talk about that.