To determine the correct sequence for forming a coherent paragraph from the given sentences, follow these logical steps:
3. Historically, the notion of a balance of nature is part observational, part metaphysical, and not scientific in any way.
4. It is an example of an ancient belief system called teleology, the notion that what we call nature has a predetermined destiny associated with its component parts.
2. These parts, all fit together into an integrated, well-ordered system that was created by design.
1. Such a belief in the harmony of nature requires a purpose presumably imposed by the goodness and wisdom of a deity.
Thus, the correct sequence of sentences is: 3421.