Some aphid species have unusual and complex reproductive adaptations, while others have fairly simple reproduction.

Both Sullivan and the critics noted that Scott's novel, with its many scenes, would make for a complex adaptation.

If Darwin was right, complex adaptations arise by a series of steps.

But whatever the case, tool use is only one of the many varied and complex behavioural adaptations that animals have acquired in their struggle to survive.

Schooling, then, is a complex adaptation to avoid being eaten.

A complex adaptation is one constructed of several components that must blend together operationally to make the adaptation "work".

"Disorders of extreme stress: the empirical foundation of a complex adaptation to trauma".

This arrangement forces a number of complex adaptations and gives mammals a blind spot.

Evolution's central explanatory imperative is the existence of complex adaptation, which can only be explained by natural selection.

Further, complex adaptations are but one phenomenon explanations in evolutionary biology.