Sentence examples for external appearances from inspiring English sources

For instance, during evolution, mutations modify the architecture of brains and external appearances, novel behaviors appear and reciprocal lethal/sterile genetic systems emerge to block gene flow.

"We know he cared a lot about external appearances," Durul said hesitantly, "so he would have liked certain aspects".

In the age of body worship fear of the sight of real blood and guts seems stronger than ever, as if only external appearances were now important.

Rather than contagion, it is an emergent norm or rule that governs external appearances and, to a lesser extent, internal convictions in collective behaviour.

The German geologist Abraham Gottlob Werner was one of those who favoured a chemical classification in preference to a "natural history" classification based on external appearances.

Estate agents suggest sellers should try to: Keep up external appearances: "To be greeted by a weedy drive and a facade covered in peeling paint is a death knell.

Sponges vary greatly in external appearance.

This includes "their look, external appearance, clothing, gestures and written or oral statements".

The feeding habits of the charadriiforms are as varied as their external appearance.

The external appearance of Prague and the smaller boroughs and towns changed markedly.

The external appearance of the genitalia undergoes seasonal variation in a number of primates.