In the evolutionary scale of things, this places blobs of oil slightly above continuity announcers, and not far behind insurance loss adjusters.

Oh, and he's a chimp, which puts him higher up the evolutionary scale than some rivals you'll see on the big screen.

And don't think things improve if you move up the evolutionary scale and go for a koi carp.

Instead, they cited extrinsic, abiotic factors such as expansion as the driving factor on a large evolutionary scale.

These factors often affect body size on an evolutionary scale, but conditions such as availability of food and habitat size can act much more quickly on a species.