1. Islands tend to have fewer species than an equally sized area of the mainland. Is this consistent with the idea that species were spread around Earth purposefully? Is it consistent with evolution?...

1. Islands tend to have fewer species than an equally sized area of the mainland. Is this consistent with the idea that species were spread around Earth purposefully? Is it consistent with evolution?

2. Scientific theories must be falsifiable. Is evolution falsifiable? For example, can you imagine some biogeographic evidence that would not be consistent with evolution? Has any evidence of this sort been found?