Use "bodily structure" in a sentence

1. All that it has been biologically given is the bodily structures that have evolved in order, through learned behavior, to acquire that posture which it has seen since birth, and the sounds, the results of which it has seen and heard all during that time

2. But I believe that the effects of habit are in many cases of subordinate importance to the effects of the natural selection of what may be called spontaneous variations of instincts;—that is of variations produced by the same unknown causes which produce slight deviations of bodily structure

3. Although there is no evidence that any animal performs an action for the exclusive good of another species, yet each tries to take advantage of the instincts of others, as each takes advantage of the weaker bodily structure of other species