That's right! By looking at the structure of the bones, scientists can tell whether a baby dinosaur needed a parent's care to live. For example, Maiasaura baby fossils have undeveloped bone ends, so they couldn't walk. The only way they would have survived was if a parent brought food to them. I think you know your fossils pretty well now. Ready to move to your final mission, Trek 3? Here is your password: G6bc2K99.

[ Yes, take me there. ] [ No, not now! ]