All 3 Uses

adapt
in
My Name is Legion
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So they attempted to adapt the basic techniques to the needs of a larger race.†
Part 1 *

adapt = change to fit a different situation; or make suitable
They are beautiful, friendly creatures, so well adapted to their environment that they don't have to mess it up in order to lead the life they seem to enjoy.†
Part 2 *

well adapted = well suited
Watching them sport about, it has often seemed to me that as well adapted as they are to their environment, there was never a need for dolphins to evolve complex social institutions, so that whatever it was they did possess along those lines was much closer to the earlier situations considered by Huizinga, a life condition filled with an overt indulgence in their version of festal performances and contests.†
Part 2

Definitions:

(1) (adapt as in: adapted to the new rules)
changed to fit a different situation; or made suitable
(2) (adapted as in: the species is well adapted for)
to be especially well suited or appropriate for something
(3) (meaning too rare to warrant focus)