The character of the seed coat bears a definite relation to that of <answer>the fruit</answer>. They protect the embryo and aid in dissemination; they may also directly promote germination. Among plants with indehiscent fruits, in general, <answer>the fruit</answer> provides protection for the embryo and secures dissemination. In this case, the seed coat is only slightly developed. If <answer>the fruit</answer> is dehiscent and the seed is exposed, in general, the seed-coat is well developed, and must discharge the functions otherwise executed by <answer>the fruit</answer>.
The appearance of the seed coat bears a definite relation to that of what?
the fruit