not able to change to suit changing conditions

Such people might be conservative in temperament and be generally non-adaptive . 这样的人可能性情保守，一般不能变通。

Psychotherapy may be helpful in the treatment of nonadaptive behaviour problems. 精神疗法可能有助于治疗非适应性行为问题。

Non-adaptive features or changes do not make an organism more suited to its environment.

It has been suggested that deer's antlers may be non-adaptive features.

A lot of evolutionary change may be nonadaptive. 很多进化上的改变可能是非适应性的。