The evolutionary basis for that skill may be unique to humankind.

Behavioral ecology is the study of the evolutionary basis for animal behavior due to ecological pressures.

But at this stage, you are more likely to see changes like that on, let's say, an evolutionary basis.

That phenomenon, too, seemed to have an evolutionary basis.

This sort of reliance on faith may itself have an evolutionary basis.

Ultimately systems should be designed with user involvement at every stage, on a continuous and evolutionary basis.

Of these, biological characteristics often have an evolutionary basis.

But it may help explain the evolutionary basis for "why parents are so generous about helping their children."

The researchers suggest that lek king may have an evolutionary basis.