In the struggle for survival, the fittest win out at the ____ of their rivals because they succeed in adapting themselves best ____ their environment. A. expense – to B. cost – for C. expendi
In the struggle for survival, the fittest win out at the ____ of their rivals because they succeed in adapting themselves best ____ their environment.
A. expense – to
B. cost – for
C. expenditure – of
D. stake – to