Question

The pelvis bone functions as an attachment point for legs. So, the pelvis bone found in dolphins is organ. Information about this organ tells us that

Answer 1

vestigial and dolphins evolved from organisms with legs

Step-by-step explanation:

Answer 2

Step-by-step explanation:

Answer 1 will be vestigial and answer 2 will be dolphins evolved from organisms with legs. Vestigial organs are those which are not in use but were once used by our ancestors for example an appendix